description: Extension for capturing group sequence number information in Appointment package_name: synapxe.sgcdi derivation: constraint name: groupSequenceNo type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.synapxe.sg/StructureDefinition/ext-groupSequenceNo'} index: 0 value: short: Group Sequence Number choices: [valueString] index: 2 valueString: {type: string, short: Group Sequence Number, choiceOf: value, index: 3} package_version: 1.0.8 class: extension kind: complex-type url: https://fhir.synapxe.sg/StructureDefinition/ext-groupSequenceNo base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueString, value]