f:ActivityDefinition url: minimum cardinality of 'url' is 1 name: minimum cardinality of 'name' is 1 kind: minimum cardinality of 'kind' is 1 code: minimum cardinality of 'code' is 1 f:ActivityDefinition/f:participant extension with URL = 'https://fhir.ehealth-systems.at/extensions/ParticipantDeviceDefinition': minimum cardinality of 'extension' is 1 extension with URL = 'https://fhir.ehealth-systems.at/extensions/ParticipantDeviceDefinition': maximum cardinality of 'extension' is 1 extension with URL = 'https://fhir.ehealth-systems.at/extensions/ParticipantDeviceDefinition': minimum cardinality of 'extension' is 1 extension with URL = 'https://fhir.ehealth-systems.at/extensions/ParticipantDeviceDefinition': maximum cardinality of 'extension' is 1 f:ActivityDefinition/f:participant/f:extension id: maximum cardinality of 'id' is 1 url: minimum cardinality of 'url' is 1 url: maximum cardinality of 'url' is 1 value[x]: minimum cardinality of 'value[x]' is 1 value[x]: maximum cardinality of 'value[x]' is 1 id: maximum cardinality of 'id' is 1 url: minimum cardinality of 'url' is 1 url: maximum cardinality of 'url' is 1 value[x]: minimum cardinality of 'value[x]' is 1 value[x]: maximum cardinality of 'value[x]' is 1