description: Reference extension to the service application (endpoint) that provides the eHealth activity. package_name: koppeltaalv2.00 derivation: constraint name: KT2_EndpointExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://koppeltaal.nl/fhir/StructureDefinition/KT2EndpointExtension'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://koppeltaal.nl/fhir/StructureDefinition/KT2Endpoint'] index: 4 package_version: 0.15.0-beta.9 extensions: {} class: extension kind: complex-type url: http://koppeltaal.nl/fhir/StructureDefinition/KT2EndpointExtension base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.8.0