description: The minimum number of characters that must be present in the simple data type to be considered a \"valid\" instance. package_name: rs/hl7.fhir.r2.core name: At least this many characters type: null elements: extension: {name: extension, index: 0} url: type: uri pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/minLength'} index: 1 value: choices: [valueInteger] index: 3 valueInteger: {type: integer, choiceOf: value, index: 4} package_version: 1.0.2 extensions: {} class: datatype kind: datatype url: http://hl7.org/fhir/StructureDefinition/minLength version: null required: [value, valueInteger]