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: url: pattern: {type: Uri, value: 'http://koppeltaal.nl/fhir/StructureDefinition/KT2EndpointExtension'} index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['http://koppeltaal.nl/fhir/StructureDefinition/KT2Endpoint'] index: 3 package_version: 0.7.2-beta class: extension kind: complex-type url: http://koppeltaal.nl/fhir/StructureDefinition/KT2EndpointExtension base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.2