description: Direction (e.g., N, S, W, E). package_name: hl7.fhir.r3.examples derivation: constraint name: ADXP-direction type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-direction'} index: 1 valueString: {type: string, index: 2} package_version: 3.0.2 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-direction base: http://hl7.org/fhir/StructureDefinition/Extension version: null