description: A reference to an alternative point of contact (plannet-PractitionerRole, plannet-Organization, plannet-OrganizationAffiliation, or plannet-Location) for this organization package_name: hl7.fhir.us.davinci-pdex-plan-net derivation: constraint name: ViaIntermediary type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/via-intermediary'} index: 1 value: mustSupport: true choices: [valueReference] index: 3 valueReference: type: Reference mustSupport: true choiceOf: value refers: ['http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/plannet-Location', 'http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/plannet-Organization', 'http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/plannet-OrganizationAffiliation', 'http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/plannet-PractitionerRole'] index: 4 package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/via-intermediary base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valueReference, value]