StructureDefinition-sdc-questionnaire-templateExtract.xml
   1 <?xml version="1.0" encoding="utf-8"?>
   2 <StructureDefinition xmlns="http://hl7.org/fhir">
   3   <id value="sdc-questionnaire-templateExtract" />
   4   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
   5     <valueCode value="draft" />
   6   </extension>
   7   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
   8     <valueInteger value="0" />
   9   </extension>
  10   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
  11     <valueCode value="fhir" />
  12   </extension>
  13   <url value="http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtract" />
  14   <identifier>
  15     <system value="urn:ietf:rfc:3986" />
  16     <value value="urn:oid:2.16.840.1.113883.4.642.40.17.42.85" />
  17   </identifier>
  18   <version value="4.0.0-ballot" />
  19   <name value="TemplateExtractExtension" />
  20   <title value="Extract Template - Resource" />
  21   <status value="draft" />
  22   <date value="2024-12-22T04:48:38.0000000+01:00" />
  23   <publisher value="HL7 International / FHIR Infrastructure" />
  24   <contact>
  25     <name value="HL7 International / FHIR Infrastructure" />
  26     <telecom>
  27       <system value="url" />
  28       <value value="http://www.hl7.org/Special/committees/fiwg" />
  29     </telecom>
  30   </contact>
  31   <contact>
  32     <telecom>
  33       <system value="url" />
  34       <value value="http://www.hl7.org/Special/committees/fiwg" />
  35     </telecom>
  36   </contact>
  37   <description value="Specifies a reference to a contained resource template (or set of resources for a repeating item) to be extracted from this item once the QuestionnaireResponse is complete. The template will be cloned into the output extraction bundle, and any template values will be replaced with the values from the QuestionnaireResponse.  Optionally the `fullUrl` and other `Bundle.entry.request` properties can be also included." />
  38   <jurisdiction>
  39     <coding>
  40       <system value="http://unstats.un.org/unsd/methods/m49/m49.htm" />
  41       <code value="001" />
  42       <display value="World" />
  43     </coding>
  44   </jurisdiction>
  45   <fhirVersion value="4.0.1" />
  46   <mapping>
  47     <identity value="rim" />
  48     <uri value="http://hl7.org/v3" />
  49     <name value="RIM Mapping" />
  50   </mapping>
  51   <kind value="complex-type" />
  52   <abstract value="false" />
  53   <context>
  54     <type value="element" />
  55     <expression value="Questionnaire" />
  56   </context>
  57   <context>
  58     <type value="element" />
  59     <expression value="Questionnaire.item" />
  60   </context>
  61   <type value="Extension" />
  62   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  63   <derivation value="constraint" />
  64   <snapshot>
  65     <element id="Extension">
  66       <path value="Extension" />
  67       <short value="Establishes extract context for a Questionnaire/item using an extraction template resource" />
  68       <definition value="Specifies a reference to a contained resource template (or set of resources for a repeating item) to be extracted from this item once the QuestionnaireResponse is complete." />
  69       <min value="0" />
  70       <max value="*" />
  71       <base>
  72         <path value="Extension" />
  73         <min value="0" />
  74         <max value="*" />
  75       </base>
  76       <condition value="ele-1" />
  77       <constraint>
  78         <key value="ele-1" />
  79         <severity value="error" />
  80         <human value="All FHIR elements must have a @value or children" />
  81         <expression value="hasValue() or (children().count() > id.count())" />
  82         <xpath value="@value|f:*|h:div" />
  83         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
  84       </constraint>
  85       <constraint>
  86         <key value="ext-1" />
  87         <severity value="error" />
  88         <human value="Must have either extensions or value[x], not both" />
  89         <expression value="extension.exists() != value.exists()" />
  90         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
  91         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
  92       </constraint>
  93       <isModifier value="false" />
  94     </element>
  95     <element id="Extension.id">
  96       <path value="Extension.id" />
  97       <representation value="xmlAttr" />
  98       <short value="Unique id for inter-element referencing" />
  99       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
 100       <min value="0" />
 101       <max value="1" />
 102       <base>
 103         <path value="Element.id" />
 104         <min value="0" />
 105         <max value="1" />
 106       </base>
 107       <type>
 108         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 109           <valueUrl value="string" />
 110         </extension>
 111         <code value="http://hl7.org/fhirpath/System.String" />
 112       </type>
 113       <isModifier value="false" />
 114       <isSummary value="false" />
 115       <mapping>
 116         <identity value="rim" />
 117         <map value="n/a" />
 118       </mapping>
 119     </element>
 120     <element id="Extension.extension">
 121       <path value="Extension.extension" />
 122       <slicing>
 123         <discriminator>
 124           <type value="value" />
 125           <path value="url" />
 126         </discriminator>
 127         <description value="Extensions are always sliced by (at least) url" />
 128         <rules value="open" />
 129       </slicing>
 130       <short value="Extension" />
 131       <definition value="An Extension" />
 132       <min value="1" />
 133       <max value="*" />
 134       <base>
 135         <path value="Element.extension" />
 136         <min value="0" />
 137         <max value="*" />
 138       </base>
 139       <type>
 140         <code value="Extension" />
 141       </type>
 142       <constraint>
 143         <key value="ele-1" />
 144         <severity value="error" />
 145         <human value="All FHIR elements must have a @value or children" />
 146         <expression value="hasValue() or (children().count() > id.count())" />
 147         <xpath value="@value|f:*|h:div" />
 148         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 149       </constraint>
 150       <constraint>
 151         <key value="ext-1" />
 152         <severity value="error" />
 153         <human value="Must have either extensions or value[x], not both" />
 154         <expression value="extension.exists() != value.exists()" />
 155         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 156         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 157       </constraint>
 158       <isModifier value="false" />
 159       <isSummary value="false" />
 160     </element>
 161     <element id="Extension.extension:template">
 162       <path value="Extension.extension" />
 163       <sliceName value="template" />
 164       <short value="Reference to contained resource template" />
 165       <definition value="A reference to a contained resource to use as a template to put into the output transaction bundle." />
 166       <min value="1" />
 167       <max value="1" />
 168       <base>
 169         <path value="Element.extension" />
 170         <min value="0" />
 171         <max value="*" />
 172       </base>
 173       <type>
 174         <code value="Extension" />
 175       </type>
 176       <constraint>
 177         <key value="ele-1" />
 178         <severity value="error" />
 179         <human value="All FHIR elements must have a @value or children" />
 180         <expression value="hasValue() or (children().count() > id.count())" />
 181         <xpath value="@value|f:*|h:div" />
 182         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 183       </constraint>
 184       <constraint>
 185         <key value="ext-1" />
 186         <severity value="error" />
 187         <human value="Must have either extensions or value[x], not both" />
 188         <expression value="extension.exists() != value.exists()" />
 189         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 190         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 191       </constraint>
 192       <isModifier value="false" />
 193       <isSummary value="false" />
 194     </element>
 195     <element id="Extension.extension:template.id">
 196       <path value="Extension.extension.id" />
 197       <representation value="xmlAttr" />
 198       <short value="Unique id for inter-element referencing" />
 199       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
 200       <min value="0" />
 201       <max value="1" />
 202       <base>
 203         <path value="Element.id" />
 204         <min value="0" />
 205         <max value="1" />
 206       </base>
 207       <type>
 208         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 209           <valueUrl value="string" />
 210         </extension>
 211         <code value="http://hl7.org/fhirpath/System.String" />
 212       </type>
 213       <isModifier value="false" />
 214       <isSummary value="false" />
 215       <mapping>
 216         <identity value="rim" />
 217         <map value="n/a" />
 218       </mapping>
 219     </element>
 220     <element id="Extension.extension:template.extension">
 221       <path value="Extension.extension.extension" />
 222       <slicing>
 223         <discriminator>
 224           <type value="value" />
 225           <path value="url" />
 226         </discriminator>
 227         <description value="Extensions are always sliced by (at least) url" />
 228         <rules value="open" />
 229       </slicing>
 230       <short value="Extension" />
 231       <definition value="An Extension" />
 232       <min value="0" />
 233       <max value="0" />
 234       <base>
 235         <path value="Element.extension" />
 236         <min value="0" />
 237         <max value="*" />
 238       </base>
 239       <type>
 240         <code value="Extension" />
 241       </type>
 242       <constraint>
 243         <key value="ele-1" />
 244         <severity value="error" />
 245         <human value="All FHIR elements must have a @value or children" />
 246         <expression value="hasValue() or (children().count() > id.count())" />
 247         <xpath value="@value|f:*|h:div" />
 248         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 249       </constraint>
 250       <constraint>
 251         <key value="ext-1" />
 252         <severity value="error" />
 253         <human value="Must have either extensions or value[x], not both" />
 254         <expression value="extension.exists() != value.exists()" />
 255         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 256         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 257       </constraint>
 258       <isModifier value="false" />
 259       <isSummary value="false" />
 260     </element>
 261     <element id="Extension.extension:template.url">
 262       <path value="Extension.extension.url" />
 263       <representation value="xmlAttr" />
 264       <short value="identifies the meaning of the extension" />
 265       <definition value="Source of the definition for the extension code - a logical name or a URL." />
 266       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
 267       <min value="1" />
 268       <max value="1" />
 269       <base>
 270         <path value="Extension.url" />
 271         <min value="1" />
 272         <max value="1" />
 273       </base>
 274       <type>
 275         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 276           <valueUrl value="uri" />
 277         </extension>
 278         <code value="http://hl7.org/fhirpath/System.String" />
 279       </type>
 280       <fixedUri value="template" />
 281       <isModifier value="false" />
 282       <isSummary value="false" />
 283       <mapping>
 284         <identity value="rim" />
 285         <map value="N/A" />
 286       </mapping>
 287     </element>
 288     <element id="Extension.extension:template.value[x]">
 289       <path value="Extension.extension.value[x]" />
 290       <short value="Contained reference to the resource template" />
 291       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
 292       <min value="1" />
 293       <max value="1" />
 294       <base>
 295         <path value="Extension.value[x]" />
 296         <min value="0" />
 297         <max value="1" />
 298       </base>
 299       <type>
 300         <code value="Reference" />
 301         <aggregation value="contained" />
 302       </type>
 303       <constraint>
 304         <key value="ele-1" />
 305         <severity value="error" />
 306         <human value="All FHIR elements must have a @value or children" />
 307         <expression value="hasValue() or (children().count() > id.count())" />
 308         <xpath value="@value|f:*|h:div" />
 309         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 310       </constraint>
 311       <isModifier value="false" />
 312       <isSummary value="false" />
 313       <mapping>
 314         <identity value="rim" />
 315         <map value="N/A" />
 316       </mapping>
 317     </element>
 318     <element id="Extension.extension:fullUrl">
 319       <path value="Extension.extension" />
 320       <sliceName value="fullUrl" />
 321       <short value="A fhirpath expression to evaluate to populate the fullUrl property in the `Bundle.entry` (uri/string result)" />
 322       <definition value="A fhirpath expression to evaluate to extract the value into the fullUrl property. If no value is evaluated, then the element is not extracted." />
 323       <min value="0" />
 324       <max value="1" />
 325       <base>
 326         <path value="Element.extension" />
 327         <min value="0" />
 328         <max value="*" />
 329       </base>
 330       <type>
 331         <code value="Extension" />
 332       </type>
 333       <constraint>
 334         <key value="ele-1" />
 335         <severity value="error" />
 336         <human value="All FHIR elements must have a @value or children" />
 337         <expression value="hasValue() or (children().count() > id.count())" />
 338         <xpath value="@value|f:*|h:div" />
 339         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 340       </constraint>
 341       <constraint>
 342         <key value="ext-1" />
 343         <severity value="error" />
 344         <human value="Must have either extensions or value[x], not both" />
 345         <expression value="extension.exists() != value.exists()" />
 346         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 347         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 348       </constraint>
 349       <isModifier value="false" />
 350       <isSummary value="false" />
 351     </element>
 352     <element id="Extension.extension:fullUrl.id">
 353       <path value="Extension.extension.id" />
 354       <representation value="xmlAttr" />
 355       <short value="Unique id for inter-element referencing" />
 356       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
 357       <min value="0" />
 358       <max value="1" />
 359       <base>
 360         <path value="Element.id" />
 361         <min value="0" />
 362         <max value="1" />
 363       </base>
 364       <type>
 365         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 366           <valueUrl value="string" />
 367         </extension>
 368         <code value="http://hl7.org/fhirpath/System.String" />
 369       </type>
 370       <isModifier value="false" />
 371       <isSummary value="false" />
 372       <mapping>
 373         <identity value="rim" />
 374         <map value="n/a" />
 375       </mapping>
 376     </element>
 377     <element id="Extension.extension:fullUrl.extension">
 378       <path value="Extension.extension.extension" />
 379       <slicing>
 380         <discriminator>
 381           <type value="value" />
 382           <path value="url" />
 383         </discriminator>
 384         <description value="Extensions are always sliced by (at least) url" />
 385         <rules value="open" />
 386       </slicing>
 387       <short value="Extension" />
 388       <definition value="An Extension" />
 389       <min value="0" />
 390       <max value="0" />
 391       <base>
 392         <path value="Element.extension" />
 393         <min value="0" />
 394         <max value="*" />
 395       </base>
 396       <type>
 397         <code value="Extension" />
 398       </type>
 399       <constraint>
 400         <key value="ele-1" />
 401         <severity value="error" />
 402         <human value="All FHIR elements must have a @value or children" />
 403         <expression value="hasValue() or (children().count() > id.count())" />
 404         <xpath value="@value|f:*|h:div" />
 405         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 406       </constraint>
 407       <constraint>
 408         <key value="ext-1" />
 409         <severity value="error" />
 410         <human value="Must have either extensions or value[x], not both" />
 411         <expression value="extension.exists() != value.exists()" />
 412         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 413         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 414       </constraint>
 415       <isModifier value="false" />
 416       <isSummary value="false" />
 417     </element>
 418     <element id="Extension.extension:fullUrl.url">
 419       <path value="Extension.extension.url" />
 420       <representation value="xmlAttr" />
 421       <short value="identifies the meaning of the extension" />
 422       <definition value="Source of the definition for the extension code - a logical name or a URL." />
 423       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
 424       <min value="1" />
 425       <max value="1" />
 426       <base>
 427         <path value="Extension.url" />
 428         <min value="1" />
 429         <max value="1" />
 430       </base>
 431       <type>
 432         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 433           <valueUrl value="uri" />
 434         </extension>
 435         <code value="http://hl7.org/fhirpath/System.String" />
 436       </type>
 437       <fixedUri value="fullUrl" />
 438       <isModifier value="false" />
 439       <isSummary value="false" />
 440       <mapping>
 441         <identity value="rim" />
 442         <map value="N/A" />
 443       </mapping>
 444     </element>
 445     <element id="Extension.extension:fullUrl.value[x]">
 446       <path value="Extension.extension.value[x]" />
 447       <short value="Fhirpath Expression value" />
 448       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
 449       <min value="1" />
 450       <max value="1" />
 451       <base>
 452         <path value="Extension.value[x]" />
 453         <min value="0" />
 454         <max value="1" />
 455       </base>
 456       <type>
 457         <code value="string" />
 458       </type>
 459       <constraint>
 460         <key value="ele-1" />
 461         <severity value="error" />
 462         <human value="All FHIR elements must have a @value or children" />
 463         <expression value="hasValue() or (children().count() > id.count())" />
 464         <xpath value="@value|f:*|h:div" />
 465         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 466       </constraint>
 467       <isModifier value="false" />
 468       <isSummary value="false" />
 469       <mapping>
 470         <identity value="rim" />
 471         <map value="N/A" />
 472       </mapping>
 473     </element>
 474     <element id="Extension.extension:resourceId">
 475       <path value="Extension.extension" />
 476       <sliceName value="resourceId" />
 477       <short value="A fhirpath expression to evaluate to populate the resourceId property (string result)" />
 478       <definition value="A fhirpath expression to evaluate to extract the value into the ifNoneMatch property. If no value is evaluated, then the element is not extracted." />
 479       <min value="0" />
 480       <max value="1" />
 481       <base>
 482         <path value="Element.extension" />
 483         <min value="0" />
 484         <max value="*" />
 485       </base>
 486       <type>
 487         <code value="Extension" />
 488       </type>
 489       <constraint>
 490         <key value="ele-1" />
 491         <severity value="error" />
 492         <human value="All FHIR elements must have a @value or children" />
 493         <expression value="hasValue() or (children().count() > id.count())" />
 494         <xpath value="@value|f:*|h:div" />
 495         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 496       </constraint>
 497       <constraint>
 498         <key value="ext-1" />
 499         <severity value="error" />
 500         <human value="Must have either extensions or value[x], not both" />
 501         <expression value="extension.exists() != value.exists()" />
 502         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 503         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 504       </constraint>
 505       <isModifier value="false" />
 506       <isSummary value="false" />
 507     </element>
 508     <element id="Extension.extension:resourceId.id">
 509       <path value="Extension.extension.id" />
 510       <representation value="xmlAttr" />
 511       <short value="Unique id for inter-element referencing" />
 512       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
 513       <min value="0" />
 514       <max value="1" />
 515       <base>
 516         <path value="Element.id" />
 517         <min value="0" />
 518         <max value="1" />
 519       </base>
 520       <type>
 521         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 522           <valueUrl value="string" />
 523         </extension>
 524         <code value="http://hl7.org/fhirpath/System.String" />
 525       </type>
 526       <isModifier value="false" />
 527       <isSummary value="false" />
 528       <mapping>
 529         <identity value="rim" />
 530         <map value="n/a" />
 531       </mapping>
 532     </element>
 533     <element id="Extension.extension:resourceId.extension">
 534       <path value="Extension.extension.extension" />
 535       <slicing>
 536         <discriminator>
 537           <type value="value" />
 538           <path value="url" />
 539         </discriminator>
 540         <description value="Extensions are always sliced by (at least) url" />
 541         <rules value="open" />
 542       </slicing>
 543       <short value="Extension" />
 544       <definition value="An Extension" />
 545       <min value="0" />
 546       <max value="0" />
 547       <base>
 548         <path value="Element.extension" />
 549         <min value="0" />
 550         <max value="*" />
 551       </base>
 552       <type>
 553         <code value="Extension" />
 554       </type>
 555       <constraint>
 556         <key value="ele-1" />
 557         <severity value="error" />
 558         <human value="All FHIR elements must have a @value or children" />
 559         <expression value="hasValue() or (children().count() > id.count())" />
 560         <xpath value="@value|f:*|h:div" />
 561         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 562       </constraint>
 563       <constraint>
 564         <key value="ext-1" />
 565         <severity value="error" />
 566         <human value="Must have either extensions or value[x], not both" />
 567         <expression value="extension.exists() != value.exists()" />
 568         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 569         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 570       </constraint>
 571       <isModifier value="false" />
 572       <isSummary value="false" />
 573     </element>
 574     <element id="Extension.extension:resourceId.url">
 575       <path value="Extension.extension.url" />
 576       <representation value="xmlAttr" />
 577       <short value="identifies the meaning of the extension" />
 578       <definition value="Source of the definition for the extension code - a logical name or a URL." />
 579       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
 580       <min value="1" />
 581       <max value="1" />
 582       <base>
 583         <path value="Extension.url" />
 584         <min value="1" />
 585         <max value="1" />
 586       </base>
 587       <type>
 588         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 589           <valueUrl value="uri" />
 590         </extension>
 591         <code value="http://hl7.org/fhirpath/System.String" />
 592       </type>
 593       <fixedUri value="resourceId" />
 594       <isModifier value="false" />
 595       <isSummary value="false" />
 596       <mapping>
 597         <identity value="rim" />
 598         <map value="N/A" />
 599       </mapping>
 600     </element>
 601     <element id="Extension.extension:resourceId.value[x]">
 602       <path value="Extension.extension.value[x]" />
 603       <short value="Fhirpath Expression value" />
 604       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
 605       <min value="1" />
 606       <max value="1" />
 607       <base>
 608         <path value="Extension.value[x]" />
 609         <min value="0" />
 610         <max value="1" />
 611       </base>
 612       <type>
 613         <code value="string" />
 614       </type>
 615       <constraint>
 616         <key value="ele-1" />
 617         <severity value="error" />
 618         <human value="All FHIR elements must have a @value or children" />
 619         <expression value="hasValue() or (children().count() > id.count())" />
 620         <xpath value="@value|f:*|h:div" />
 621         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 622       </constraint>
 623       <isModifier value="false" />
 624       <isSummary value="false" />
 625       <mapping>
 626         <identity value="rim" />
 627         <map value="N/A" />
 628       </mapping>
 629     </element>
 630     <element id="Extension.extension:ifNoneMatch">
 631       <path value="Extension.extension" />
 632       <sliceName value="ifNoneMatch" />
 633       <short value="A fhirpath expression to evaluate to populate the ifNoneMatch property (string result)" />
 634       <definition value="A fhirpath expression to evaluate to extract the value into the ifNoneMatch property. If no value is evaluated, then the element is not extracted." />
 635       <min value="0" />
 636       <max value="1" />
 637       <base>
 638         <path value="Element.extension" />
 639         <min value="0" />
 640         <max value="*" />
 641       </base>
 642       <type>
 643         <code value="Extension" />
 644       </type>
 645       <constraint>
 646         <key value="ele-1" />
 647         <severity value="error" />
 648         <human value="All FHIR elements must have a @value or children" />
 649         <expression value="hasValue() or (children().count() > id.count())" />
 650         <xpath value="@value|f:*|h:div" />
 651         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 652       </constraint>
 653       <constraint>
 654         <key value="ext-1" />
 655         <severity value="error" />
 656         <human value="Must have either extensions or value[x], not both" />
 657         <expression value="extension.exists() != value.exists()" />
 658         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 659         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 660       </constraint>
 661       <isModifier value="false" />
 662       <isSummary value="false" />
 663     </element>
 664     <element id="Extension.extension:ifNoneMatch.id">
 665       <path value="Extension.extension.id" />
 666       <representation value="xmlAttr" />
 667       <short value="Unique id for inter-element referencing" />
 668       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
 669       <min value="0" />
 670       <max value="1" />
 671       <base>
 672         <path value="Element.id" />
 673         <min value="0" />
 674         <max value="1" />
 675       </base>
 676       <type>
 677         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 678           <valueUrl value="string" />
 679         </extension>
 680         <code value="http://hl7.org/fhirpath/System.String" />
 681       </type>
 682       <isModifier value="false" />
 683       <isSummary value="false" />
 684       <mapping>
 685         <identity value="rim" />
 686         <map value="n/a" />
 687       </mapping>
 688     </element>
 689     <element id="Extension.extension:ifNoneMatch.extension">
 690       <path value="Extension.extension.extension" />
 691       <slicing>
 692         <discriminator>
 693           <type value="value" />
 694           <path value="url" />
 695         </discriminator>
 696         <description value="Extensions are always sliced by (at least) url" />
 697         <rules value="open" />
 698       </slicing>
 699       <short value="Extension" />
 700       <definition value="An Extension" />
 701       <min value="0" />
 702       <max value="0" />
 703       <base>
 704         <path value="Element.extension" />
 705         <min value="0" />
 706         <max value="*" />
 707       </base>
 708       <type>
 709         <code value="Extension" />
 710       </type>
 711       <constraint>
 712         <key value="ele-1" />
 713         <severity value="error" />
 714         <human value="All FHIR elements must have a @value or children" />
 715         <expression value="hasValue() or (children().count() > id.count())" />
 716         <xpath value="@value|f:*|h:div" />
 717         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 718       </constraint>
 719       <constraint>
 720         <key value="ext-1" />
 721         <severity value="error" />
 722         <human value="Must have either extensions or value[x], not both" />
 723         <expression value="extension.exists() != value.exists()" />
 724         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 725         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 726       </constraint>
 727       <isModifier value="false" />
 728       <isSummary value="false" />
 729     </element>
 730     <element id="Extension.extension:ifNoneMatch.url">
 731       <path value="Extension.extension.url" />
 732       <representation value="xmlAttr" />
 733       <short value="identifies the meaning of the extension" />
 734       <definition value="Source of the definition for the extension code - a logical name or a URL." />
 735       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
 736       <min value="1" />
 737       <max value="1" />
 738       <base>
 739         <path value="Extension.url" />
 740         <min value="1" />
 741         <max value="1" />
 742       </base>
 743       <type>
 744         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 745           <valueUrl value="uri" />
 746         </extension>
 747         <code value="http://hl7.org/fhirpath/System.String" />
 748       </type>
 749       <fixedUri value="ifNoneMatch" />
 750       <isModifier value="false" />
 751       <isSummary value="false" />
 752       <mapping>
 753         <identity value="rim" />
 754         <map value="N/A" />
 755       </mapping>
 756     </element>
 757     <element id="Extension.extension:ifNoneMatch.value[x]">
 758       <path value="Extension.extension.value[x]" />
 759       <short value="Fhirpath Expression value" />
 760       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
 761       <min value="1" />
 762       <max value="1" />
 763       <base>
 764         <path value="Extension.value[x]" />
 765         <min value="0" />
 766         <max value="1" />
 767       </base>
 768       <type>
 769         <code value="string" />
 770       </type>
 771       <constraint>
 772         <key value="ele-1" />
 773         <severity value="error" />
 774         <human value="All FHIR elements must have a @value or children" />
 775         <expression value="hasValue() or (children().count() > id.count())" />
 776         <xpath value="@value|f:*|h:div" />
 777         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 778       </constraint>
 779       <isModifier value="false" />
 780       <isSummary value="false" />
 781       <mapping>
 782         <identity value="rim" />
 783         <map value="N/A" />
 784       </mapping>
 785     </element>
 786     <element id="Extension.extension:ifModifiedSince">
 787       <path value="Extension.extension" />
 788       <sliceName value="ifModifiedSince" />
 789       <short value="A fhirpath expression to evaluate to populate the ifModifiedSince property (instant result)" />
 790       <definition value="A fhirpath expression to evaluate to extract the value into the ifModifiedSince property. If no value is evaluated, then the element is not extracted." />
 791       <min value="0" />
 792       <max value="1" />
 793       <base>
 794         <path value="Element.extension" />
 795         <min value="0" />
 796         <max value="*" />
 797       </base>
 798       <type>
 799         <code value="Extension" />
 800       </type>
 801       <constraint>
 802         <key value="ele-1" />
 803         <severity value="error" />
 804         <human value="All FHIR elements must have a @value or children" />
 805         <expression value="hasValue() or (children().count() > id.count())" />
 806         <xpath value="@value|f:*|h:div" />
 807         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 808       </constraint>
 809       <constraint>
 810         <key value="ext-1" />
 811         <severity value="error" />
 812         <human value="Must have either extensions or value[x], not both" />
 813         <expression value="extension.exists() != value.exists()" />
 814         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 815         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 816       </constraint>
 817       <isModifier value="false" />
 818       <isSummary value="false" />
 819     </element>
 820     <element id="Extension.extension:ifModifiedSince.id">
 821       <path value="Extension.extension.id" />
 822       <representation value="xmlAttr" />
 823       <short value="Unique id for inter-element referencing" />
 824       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
 825       <min value="0" />
 826       <max value="1" />
 827       <base>
 828         <path value="Element.id" />
 829         <min value="0" />
 830         <max value="1" />
 831       </base>
 832       <type>
 833         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 834           <valueUrl value="string" />
 835         </extension>
 836         <code value="http://hl7.org/fhirpath/System.String" />
 837       </type>
 838       <isModifier value="false" />
 839       <isSummary value="false" />
 840       <mapping>
 841         <identity value="rim" />
 842         <map value="n/a" />
 843       </mapping>
 844     </element>
 845     <element id="Extension.extension:ifModifiedSince.extension">
 846       <path value="Extension.extension.extension" />
 847       <slicing>
 848         <discriminator>
 849           <type value="value" />
 850           <path value="url" />
 851         </discriminator>
 852         <description value="Extensions are always sliced by (at least) url" />
 853         <rules value="open" />
 854       </slicing>
 855       <short value="Extension" />
 856       <definition value="An Extension" />
 857       <min value="0" />
 858       <max value="0" />
 859       <base>
 860         <path value="Element.extension" />
 861         <min value="0" />
 862         <max value="*" />
 863       </base>
 864       <type>
 865         <code value="Extension" />
 866       </type>
 867       <constraint>
 868         <key value="ele-1" />
 869         <severity value="error" />
 870         <human value="All FHIR elements must have a @value or children" />
 871         <expression value="hasValue() or (children().count() > id.count())" />
 872         <xpath value="@value|f:*|h:div" />
 873         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 874       </constraint>
 875       <constraint>
 876         <key value="ext-1" />
 877         <severity value="error" />
 878         <human value="Must have either extensions or value[x], not both" />
 879         <expression value="extension.exists() != value.exists()" />
 880         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 881         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 882       </constraint>
 883       <isModifier value="false" />
 884       <isSummary value="false" />
 885     </element>
 886     <element id="Extension.extension:ifModifiedSince.url">
 887       <path value="Extension.extension.url" />
 888       <representation value="xmlAttr" />
 889       <short value="identifies the meaning of the extension" />
 890       <definition value="Source of the definition for the extension code - a logical name or a URL." />
 891       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
 892       <min value="1" />
 893       <max value="1" />
 894       <base>
 895         <path value="Extension.url" />
 896         <min value="1" />
 897         <max value="1" />
 898       </base>
 899       <type>
 900         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 901           <valueUrl value="uri" />
 902         </extension>
 903         <code value="http://hl7.org/fhirpath/System.String" />
 904       </type>
 905       <fixedUri value="ifModifiedSince" />
 906       <isModifier value="false" />
 907       <isSummary value="false" />
 908       <mapping>
 909         <identity value="rim" />
 910         <map value="N/A" />
 911       </mapping>
 912     </element>
 913     <element id="Extension.extension:ifModifiedSince.value[x]">
 914       <path value="Extension.extension.value[x]" />
 915       <short value="Fhirpath Expression value" />
 916       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
 917       <min value="1" />
 918       <max value="1" />
 919       <base>
 920         <path value="Extension.value[x]" />
 921         <min value="0" />
 922         <max value="1" />
 923       </base>
 924       <type>
 925         <code value="string" />
 926       </type>
 927       <constraint>
 928         <key value="ele-1" />
 929         <severity value="error" />
 930         <human value="All FHIR elements must have a @value or children" />
 931         <expression value="hasValue() or (children().count() > id.count())" />
 932         <xpath value="@value|f:*|h:div" />
 933         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 934       </constraint>
 935       <isModifier value="false" />
 936       <isSummary value="false" />
 937       <mapping>
 938         <identity value="rim" />
 939         <map value="N/A" />
 940       </mapping>
 941     </element>
 942     <element id="Extension.extension:ifMatch">
 943       <path value="Extension.extension" />
 944       <sliceName value="ifMatch" />
 945       <short value="A fhirpath expression to evaluate to populate the ifMatch property (string result)" />
 946       <definition value="A fhirpath expression to evaluate to extract the value into the ifMatch property. If no value is evaluated, then the element is not extracted." />
 947       <min value="0" />
 948       <max value="1" />
 949       <base>
 950         <path value="Element.extension" />
 951         <min value="0" />
 952         <max value="*" />
 953       </base>
 954       <type>
 955         <code value="Extension" />
 956       </type>
 957       <constraint>
 958         <key value="ele-1" />
 959         <severity value="error" />
 960         <human value="All FHIR elements must have a @value or children" />
 961         <expression value="hasValue() or (children().count() > id.count())" />
 962         <xpath value="@value|f:*|h:div" />
 963         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
 964       </constraint>
 965       <constraint>
 966         <key value="ext-1" />
 967         <severity value="error" />
 968         <human value="Must have either extensions or value[x], not both" />
 969         <expression value="extension.exists() != value.exists()" />
 970         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
 971         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
 972       </constraint>
 973       <isModifier value="false" />
 974       <isSummary value="false" />
 975     </element>
 976     <element id="Extension.extension:ifMatch.id">
 977       <path value="Extension.extension.id" />
 978       <representation value="xmlAttr" />
 979       <short value="Unique id for inter-element referencing" />
 980       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
 981       <min value="0" />
 982       <max value="1" />
 983       <base>
 984         <path value="Element.id" />
 985         <min value="0" />
 986         <max value="1" />
 987       </base>
 988       <type>
 989         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
 990           <valueUrl value="string" />
 991         </extension>
 992         <code value="http://hl7.org/fhirpath/System.String" />
 993       </type>
 994       <isModifier value="false" />
 995       <isSummary value="false" />
 996       <mapping>
 997         <identity value="rim" />
 998         <map value="n/a" />
 999       </mapping>
1000     </element>
1001     <element id="Extension.extension:ifMatch.extension">
1002       <path value="Extension.extension.extension" />
1003       <slicing>
1004         <discriminator>
1005           <type value="value" />
1006           <path value="url" />
1007         </discriminator>
1008         <description value="Extensions are always sliced by (at least) url" />
1009         <rules value="open" />
1010       </slicing>
1011       <short value="Extension" />
1012       <definition value="An Extension" />
1013       <min value="0" />
1014       <max value="0" />
1015       <base>
1016         <path value="Element.extension" />
1017         <min value="0" />
1018         <max value="*" />
1019       </base>
1020       <type>
1021         <code value="Extension" />
1022       </type>
1023       <constraint>
1024         <key value="ele-1" />
1025         <severity value="error" />
1026         <human value="All FHIR elements must have a @value or children" />
1027         <expression value="hasValue() or (children().count() > id.count())" />
1028         <xpath value="@value|f:*|h:div" />
1029         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
1030       </constraint>
1031       <constraint>
1032         <key value="ext-1" />
1033         <severity value="error" />
1034         <human value="Must have either extensions or value[x], not both" />
1035         <expression value="extension.exists() != value.exists()" />
1036         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
1037         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
1038       </constraint>
1039       <isModifier value="false" />
1040       <isSummary value="false" />
1041     </element>
1042     <element id="Extension.extension:ifMatch.url">
1043       <path value="Extension.extension.url" />
1044       <representation value="xmlAttr" />
1045       <short value="identifies the meaning of the extension" />
1046       <definition value="Source of the definition for the extension code - a logical name or a URL." />
1047       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
1048       <min value="1" />
1049       <max value="1" />
1050       <base>
1051         <path value="Extension.url" />
1052         <min value="1" />
1053         <max value="1" />
1054       </base>
1055       <type>
1056         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
1057           <valueUrl value="uri" />
1058         </extension>
1059         <code value="http://hl7.org/fhirpath/System.String" />
1060       </type>
1061       <fixedUri value="ifMatch" />
1062       <isModifier value="false" />
1063       <isSummary value="false" />
1064       <mapping>
1065         <identity value="rim" />
1066         <map value="N/A" />
1067       </mapping>
1068     </element>
1069     <element id="Extension.extension:ifMatch.value[x]">
1070       <path value="Extension.extension.value[x]" />
1071       <short value="Fhirpath Expression value" />
1072       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
1073       <min value="1" />
1074       <max value="1" />
1075       <base>
1076         <path value="Extension.value[x]" />
1077         <min value="0" />
1078         <max value="1" />
1079       </base>
1080       <type>
1081         <code value="string" />
1082       </type>
1083       <constraint>
1084         <key value="ele-1" />
1085         <severity value="error" />
1086         <human value="All FHIR elements must have a @value or children" />
1087         <expression value="hasValue() or (children().count() > id.count())" />
1088         <xpath value="@value|f:*|h:div" />
1089         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
1090       </constraint>
1091       <isModifier value="false" />
1092       <isSummary value="false" />
1093       <mapping>
1094         <identity value="rim" />
1095         <map value="N/A" />
1096       </mapping>
1097     </element>
1098     <element id="Extension.extension:ifNoneExist">
1099       <path value="Extension.extension" />
1100       <sliceName value="ifNoneExist" />
1101       <short value="A fhirpath expression to evaluate to populate the ifNoneExist property (string result)" />
1102       <definition value="A fhirpath expression to evaluate to extract the value into the ifNoneExist property. If no value is evaluated, then the element is not extracted." />
1103       <min value="0" />
1104       <max value="1" />
1105       <base>
1106         <path value="Element.extension" />
1107         <min value="0" />
1108         <max value="*" />
1109       </base>
1110       <type>
1111         <code value="Extension" />
1112       </type>
1113       <constraint>
1114         <key value="ele-1" />
1115         <severity value="error" />
1116         <human value="All FHIR elements must have a @value or children" />
1117         <expression value="hasValue() or (children().count() > id.count())" />
1118         <xpath value="@value|f:*|h:div" />
1119         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
1120       </constraint>
1121       <constraint>
1122         <key value="ext-1" />
1123         <severity value="error" />
1124         <human value="Must have either extensions or value[x], not both" />
1125         <expression value="extension.exists() != value.exists()" />
1126         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
1127         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
1128       </constraint>
1129       <isModifier value="false" />
1130       <isSummary value="false" />
1131     </element>
1132     <element id="Extension.extension:ifNoneExist.id">
1133       <path value="Extension.extension.id" />
1134       <representation value="xmlAttr" />
1135       <short value="Unique id for inter-element referencing" />
1136       <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
1137       <min value="0" />
1138       <max value="1" />
1139       <base>
1140         <path value="Element.id" />
1141         <min value="0" />
1142         <max value="1" />
1143       </base>
1144       <type>
1145         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
1146           <valueUrl value="string" />
1147         </extension>
1148         <code value="http://hl7.org/fhirpath/System.String" />
1149       </type>
1150       <isModifier value="false" />
1151       <isSummary value="false" />
1152       <mapping>
1153         <identity value="rim" />
1154         <map value="n/a" />
1155       </mapping>
1156     </element>
1157     <element id="Extension.extension:ifNoneExist.extension">
1158       <path value="Extension.extension.extension" />
1159       <slicing>
1160         <discriminator>
1161           <type value="value" />
1162           <path value="url" />
1163         </discriminator>
1164         <description value="Extensions are always sliced by (at least) url" />
1165         <rules value="open" />
1166       </slicing>
1167       <short value="Extension" />
1168       <definition value="An Extension" />
1169       <min value="0" />
1170       <max value="0" />
1171       <base>
1172         <path value="Element.extension" />
1173         <min value="0" />
1174         <max value="*" />
1175       </base>
1176       <type>
1177         <code value="Extension" />
1178       </type>
1179       <constraint>
1180         <key value="ele-1" />
1181         <severity value="error" />
1182         <human value="All FHIR elements must have a @value or children" />
1183         <expression value="hasValue() or (children().count() > id.count())" />
1184         <xpath value="@value|f:*|h:div" />
1185         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
1186       </constraint>
1187       <constraint>
1188         <key value="ext-1" />
1189         <severity value="error" />
1190         <human value="Must have either extensions or value[x], not both" />
1191         <expression value="extension.exists() != value.exists()" />
1192         <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])" />
1193         <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
1194       </constraint>
1195       <isModifier value="false" />
1196       <isSummary value="false" />
1197     </element>
1198     <element id="Extension.extension:ifNoneExist.url">
1199       <path value="Extension.extension.url" />
1200       <representation value="xmlAttr" />
1201       <short value="identifies the meaning of the extension" />
1202       <definition value="Source of the definition for the extension code - a logical name or a URL." />
1203       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
1204       <min value="1" />
1205       <max value="1" />
1206       <base>
1207         <path value="Extension.url" />
1208         <min value="1" />
1209         <max value="1" />
1210       </base>
1211       <type>
1212         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
1213           <valueUrl value="uri" />
1214         </extension>
1215         <code value="http://hl7.org/fhirpath/System.String" />
1216       </type>
1217       <fixedUri value="ifNoneExist" />
1218       <isModifier value="false" />
1219       <isSummary value="false" />
1220       <mapping>
1221         <identity value="rim" />
1222         <map value="N/A" />
1223       </mapping>
1224     </element>
1225     <element id="Extension.extension:ifNoneExist.value[x]">
1226       <path value="Extension.extension.value[x]" />
1227       <short value="Fhirpath Expression value" />
1228       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
1229       <min value="1" />
1230       <max value="1" />
1231       <base>
1232         <path value="Extension.value[x]" />
1233         <min value="0" />
1234         <max value="1" />
1235       </base>
1236       <type>
1237         <code value="string" />
1238       </type>
1239       <constraint>
1240         <key value="ele-1" />
1241         <severity value="error" />
1242         <human value="All FHIR elements must have a @value or children" />
1243         <expression value="hasValue() or (children().count() > id.count())" />
1244         <xpath value="@value|f:*|h:div" />
1245         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
1246       </constraint>
1247       <isModifier value="false" />
1248       <isSummary value="false" />
1249       <mapping>
1250         <identity value="rim" />
1251         <map value="N/A" />
1252       </mapping>
1253     </element>
1254     <element id="Extension.url">
1255       <path value="Extension.url" />
1256       <representation value="xmlAttr" />
1257       <short value="identifies the meaning of the extension" />
1258       <definition value="Source of the definition for the extension code - a logical name or a URL." />
1259       <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
1260       <min value="1" />
1261       <max value="1" />
1262       <base>
1263         <path value="Extension.url" />
1264         <min value="1" />
1265         <max value="1" />
1266       </base>
1267       <type>
1268         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
1269           <valueUrl value="uri" />
1270         </extension>
1271         <code value="http://hl7.org/fhirpath/System.String" />
1272       </type>
1273       <fixedUri value="http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtract" />
1274       <isModifier value="false" />
1275       <isSummary value="false" />
1276       <mapping>
1277         <identity value="rim" />
1278         <map value="N/A" />
1279       </mapping>
1280     </element>
1281     <element id="Extension.value[x]">
1282       <path value="Extension.value[x]" />
1283       <short value="Value of extension" />
1284       <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." />
1285       <min value="0" />
1286       <max value="0" />
1287       <base>
1288         <path value="Extension.value[x]" />
1289         <min value="0" />
1290         <max value="1" />
1291       </base>
1292       <type>
1293         <code value="base64Binary" />
1294       </type>
1295       <type>
1296         <code value="boolean" />
1297       </type>
1298       <type>
1299         <code value="canonical" />
1300       </type>
1301       <type>
1302         <code value="code" />
1303       </type>
1304       <type>
1305         <code value="date" />
1306       </type>
1307       <type>
1308         <code value="dateTime" />
1309       </type>
1310       <type>
1311         <code value="decimal" />
1312       </type>
1313       <type>
1314         <code value="id" />
1315       </type>
1316       <type>
1317         <code value="instant" />
1318       </type>
1319       <type>
1320         <code value="integer" />
1321       </type>
1322       <type>
1323         <code value="markdown" />
1324       </type>
1325       <type>
1326         <code value="oid" />
1327       </type>
1328       <type>
1329         <code value="positiveInt" />
1330       </type>
1331       <type>
1332         <code value="string" />
1333       </type>
1334       <type>
1335         <code value="time" />
1336       </type>
1337       <type>
1338         <code value="unsignedInt" />
1339       </type>
1340       <type>
1341         <code value="uri" />
1342       </type>
1343       <type>
1344         <code value="url" />
1345       </type>
1346       <type>
1347         <code value="uuid" />
1348       </type>
1349       <type>
1350         <code value="Address" />
1351       </type>
1352       <type>
1353         <code value="Age" />
1354       </type>
1355       <type>
1356         <code value="Annotation" />
1357       </type>
1358       <type>
1359         <code value="Attachment" />
1360       </type>
1361       <type>
1362         <code value="CodeableConcept" />
1363       </type>
1364       <type>
1365         <code value="Coding" />
1366       </type>
1367       <type>
1368         <code value="ContactPoint" />
1369       </type>
1370       <type>
1371         <code value="Count" />
1372       </type>
1373       <type>
1374         <code value="Distance" />
1375       </type>
1376       <type>
1377         <code value="Duration" />
1378       </type>
1379       <type>
1380         <code value="HumanName" />
1381       </type>
1382       <type>
1383         <code value="Identifier" />
1384       </type>
1385       <type>
1386         <code value="Money" />
1387       </type>
1388       <type>
1389         <code value="Period" />
1390       </type>
1391       <type>
1392         <code value="Quantity" />
1393       </type>
1394       <type>
1395         <code value="Range" />
1396       </type>
1397       <type>
1398         <code value="Ratio" />
1399       </type>
1400       <type>
1401         <code value="Reference" />
1402       </type>
1403       <type>
1404         <code value="SampledData" />
1405       </type>
1406       <type>
1407         <code value="Signature" />
1408       </type>
1409       <type>
1410         <code value="Timing" />
1411       </type>
1412       <type>
1413         <code value="ContactDetail" />
1414       </type>
1415       <type>
1416         <code value="Contributor" />
1417       </type>
1418       <type>
1419         <code value="DataRequirement" />
1420       </type>
1421       <type>
1422         <code value="Expression" />
1423       </type>
1424       <type>
1425         <code value="ParameterDefinition" />
1426       </type>
1427       <type>
1428         <code value="RelatedArtifact" />
1429       </type>
1430       <type>
1431         <code value="TriggerDefinition" />
1432       </type>
1433       <type>
1434         <code value="UsageContext" />
1435       </type>
1436       <type>
1437         <code value="Dosage" />
1438       </type>
1439       <type>
1440         <code value="Meta" />
1441       </type>
1442       <constraint>
1443         <key value="ele-1" />
1444         <severity value="error" />
1445         <human value="All FHIR elements must have a @value or children" />
1446         <expression value="hasValue() or (children().count() > id.count())" />
1447         <xpath value="@value|f:*|h:div" />
1448         <source value="http://hl7.org/fhir/StructureDefinition/Element" />
1449       </constraint>
1450       <isModifier value="false" />
1451       <isSummary value="false" />
1452       <mapping>
1453         <identity value="rim" />
1454         <map value="N/A" />
1455       </mapping>
1456     </element>
1457   </snapshot>
1458   <differential>
1459     <element id="Extension">
1460       <path value="Extension" />
1461       <short value="Establishes extract context for a Questionnaire/item using an extraction template resource" />
1462       <definition value="Specifies a reference to a contained resource template (or set of resources for a repeating item) to be extracted from this item once the QuestionnaireResponse is complete." />
1463     </element>
1464     <element id="Extension.extension">
1465       <path value="Extension.extension" />
1466       <min value="1" />
1467     </element>
1468     <element id="Extension.extension:template">
1469       <path value="Extension.extension" />
1470       <sliceName value="template" />
1471       <short value="Reference to contained resource template" />
1472       <definition value="A reference to a contained resource to use as a template to put into the output transaction bundle." />
1473       <min value="1" />
1474       <max value="1" />
1475     </element>
1476     <element id="Extension.extension:template.extension">
1477       <path value="Extension.extension.extension" />
1478       <max value="0" />
1479     </element>
1480     <element id="Extension.extension:template.url">
1481       <path value="Extension.extension.url" />
1482       <fixedUri value="template" />
1483     </element>
1484     <element id="Extension.extension:template.value[x]">
1485       <path value="Extension.extension.value[x]" />
1486       <short value="Contained reference to the resource template" />
1487       <min value="1" />
1488       <type>
1489         <code value="Reference" />
1490         <aggregation value="contained" />
1491       </type>
1492     </element>
1493     <element id="Extension.extension:fullUrl">
1494       <path value="Extension.extension" />
1495       <sliceName value="fullUrl" />
1496       <short value="A fhirpath expression to evaluate to populate the fullUrl property in the `Bundle.entry` (uri/string result)" />
1497       <definition value="A fhirpath expression to evaluate to extract the value into the fullUrl property. If no value is evaluated, then the element is not extracted." />
1498       <min value="0" />
1499       <max value="1" />
1500     </element>
1501     <element id="Extension.extension:fullUrl.extension">
1502       <path value="Extension.extension.extension" />
1503       <max value="0" />
1504     </element>
1505     <element id="Extension.extension:fullUrl.url">
1506       <path value="Extension.extension.url" />
1507       <fixedUri value="fullUrl" />
1508     </element>
1509     <element id="Extension.extension:fullUrl.value[x]">
1510       <path value="Extension.extension.value[x]" />
1511       <short value="Fhirpath Expression value" />
1512       <min value="1" />
1513       <type>
1514         <code value="string" />
1515       </type>
1516     </element>
1517     <element id="Extension.extension:resourceId">
1518       <path value="Extension.extension" />
1519       <sliceName value="resourceId" />
1520       <short value="A fhirpath expression to evaluate to populate the resourceId property (string result)" />
1521       <definition value="A fhirpath expression to evaluate to extract the value into the ifNoneMatch property. If no value is evaluated, then the element is not extracted." />
1522       <min value="0" />
1523       <max value="1" />
1524     </element>
1525     <element id="Extension.extension:resourceId.extension">
1526       <path value="Extension.extension.extension" />
1527       <max value="0" />
1528     </element>
1529     <element id="Extension.extension:resourceId.url">
1530       <path value="Extension.extension.url" />
1531       <fixedUri value="resourceId" />
1532     </element>
1533     <element id="Extension.extension:resourceId.value[x]">
1534       <path value="Extension.extension.value[x]" />
1535       <short value="Fhirpath Expression value" />
1536       <min value="1" />
1537       <type>
1538         <code value="string" />
1539       </type>
1540     </element>
1541     <element id="Extension.extension:ifNoneMatch">
1542       <path value="Extension.extension" />
1543       <sliceName value="ifNoneMatch" />
1544       <short value="A fhirpath expression to evaluate to populate the ifNoneMatch property (string result)" />
1545       <definition value="A fhirpath expression to evaluate to extract the value into the ifNoneMatch property. If no value is evaluated, then the element is not extracted." />
1546       <min value="0" />
1547       <max value="1" />
1548     </element>
1549     <element id="Extension.extension:ifNoneMatch.extension">
1550       <path value="Extension.extension.extension" />
1551       <max value="0" />
1552     </element>
1553     <element id="Extension.extension:ifNoneMatch.url">
1554       <path value="Extension.extension.url" />
1555       <fixedUri value="ifNoneMatch" />
1556     </element>
1557     <element id="Extension.extension:ifNoneMatch.value[x]">
1558       <path value="Extension.extension.value[x]" />
1559       <short value="Fhirpath Expression value" />
1560       <min value="1" />
1561       <type>
1562         <code value="string" />
1563       </type>
1564     </element>
1565     <element id="Extension.extension:ifModifiedSince">
1566       <path value="Extension.extension" />
1567       <sliceName value="ifModifiedSince" />
1568       <short value="A fhirpath expression to evaluate to populate the ifModifiedSince property (instant result)" />
1569       <definition value="A fhirpath expression to evaluate to extract the value into the ifModifiedSince property. If no value is evaluated, then the element is not extracted." />
1570       <min value="0" />
1571       <max value="1" />
1572     </element>
1573     <element id="Extension.extension:ifModifiedSince.extension">
1574       <path value="Extension.extension.extension" />
1575       <max value="0" />
1576     </element>
1577     <element id="Extension.extension:ifModifiedSince.url">
1578       <path value="Extension.extension.url" />
1579       <fixedUri value="ifModifiedSince" />
1580     </element>
1581     <element id="Extension.extension:ifModifiedSince.value[x]">
1582       <path value="Extension.extension.value[x]" />
1583       <short value="Fhirpath Expression value" />
1584       <min value="1" />
1585       <type>
1586         <code value="string" />
1587       </type>
1588     </element>
1589     <element id="Extension.extension:ifMatch">
1590       <path value="Extension.extension" />
1591       <sliceName value="ifMatch" />
1592       <short value="A fhirpath expression to evaluate to populate the ifMatch property (string result)" />
1593       <definition value="A fhirpath expression to evaluate to extract the value into the ifMatch property. If no value is evaluated, then the element is not extracted." />
1594       <min value="0" />
1595       <max value="1" />
1596     </element>
1597     <element id="Extension.extension:ifMatch.extension">
1598       <path value="Extension.extension.extension" />
1599       <max value="0" />
1600     </element>
1601     <element id="Extension.extension:ifMatch.url">
1602       <path value="Extension.extension.url" />
1603       <fixedUri value="ifMatch" />
1604     </element>
1605     <element id="Extension.extension:ifMatch.value[x]">
1606       <path value="Extension.extension.value[x]" />
1607       <short value="Fhirpath Expression value" />
1608       <min value="1" />
1609       <type>
1610         <code value="string" />
1611       </type>
1612     </element>
1613     <element id="Extension.extension:ifNoneExist">
1614       <path value="Extension.extension" />
1615       <sliceName value="ifNoneExist" />
1616       <short value="A fhirpath expression to evaluate to populate the ifNoneExist property (string result)" />
1617       <definition value="A fhirpath expression to evaluate to extract the value into the ifNoneExist property. If no value is evaluated, then the element is not extracted." />
1618       <min value="0" />
1619       <max value="1" />
1620     </element>
1621     <element id="Extension.extension:ifNoneExist.extension">
1622       <path value="Extension.extension.extension" />
1623       <max value="0" />
1624     </element>
1625     <element id="Extension.extension:ifNoneExist.url">
1626       <path value="Extension.extension.url" />
1627       <fixedUri value="ifNoneExist" />
1628     </element>
1629     <element id="Extension.extension:ifNoneExist.value[x]">
1630       <path value="Extension.extension.value[x]" />
1631       <short value="Fhirpath Expression value" />
1632       <min value="1" />
1633       <type>
1634         <code value="string" />
1635       </type>
1636     </element>
1637     <element id="Extension.url">
1638       <path value="Extension.url" />
1639       <fixedUri value="http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtract" />
1640     </element>
1641     <element id="Extension.value[x]">
1642       <path value="Extension.value[x]" />
1643       <max value="0" />
1644     </element>
1645   </differential>
1646 </StructureDefinition>