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.core derivation: constraint name: At least this many characters type: Extension elements: extension: index: 0 slicing: slices: extension: match: {} schema: {index: 0} max: 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: 1.8.0 extensions: extension: {url: null, max: 0, index: 0} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/minLength base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [value, valueInteger]