description: 'R4: `SubstanceSourceMaterial.geographicalLocation` (new:string)' package_name: hl7.fhir.uv.xver-r4.r5 derivation: constraint name: ExtensionSubstanceSourceMaterial_GeographicalLocation type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSourceMaterial.geographicalLocation'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: The place/region where the plant is harvested or the places/regions where the animal source material has its habitat choices: [valueString] index: 2 valueString: short: The place/region where the plant is harvested or the places/regions where the animal source material has its habitat type: string base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 3 package_version: 0.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceSourceMaterial.geographicalLocation base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.1.0 required: [url]