description: This Exension profile supports communicating the FHIR query for a given data requirement. package_name: hl7.fhir.us.ph-library.r4 derivation: constraint name: USPublicHealthFHIRQueryPatternExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-fhirquerypattern-extension'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-fhirquerypattern-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0