{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/Extension","context":[{"expression":"Patient.communication.preferred","type":"element"}],"date":"2019-11-01T09:29:23+11:00","derivation":"constraint","description":"Indicates what mode of communication the patient prefers to use for the indicated language.","differential":{"element":[{"definition":"Indicates what mode of communication the patient prefers to use for the indicated language.","id":"Extension","max":"*","min":0,"path":"Extension","short":"The type of the patient's preferred language."},{"id":"Extension.extension","max":"0","path":"Extension.extension"},{"fixedUri":"http://hl7.org/fhir/StructureDefinition/patient-preferenceType","id":"Extension.url","path":"Extension.url"},{"binding":{"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName","valueString":"LanguagePreferenceType"}],"strength":"extensible","valueSet":"http://hl7.org/fhir/ValueSet/language-preference-type"},"id":"Extension.value[x]","min":1,"path":"Extension.value[x]","type":[{"code":"Coding"}]}]},"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"pa"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":1}],"fhirVersion":"4.0.1","id":"patient-preferenceType","kind":"complex-type","mapping":[{"identity":"rim","name":"RIM Mapping","uri":"http://hl7.org/v3"}],"name":"preferenceType","publisher":"HL7","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"Extension"},"condition":["ele-1"],"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div"},{"expression":"extension.exists() != value.exists()","human":"Must have either extensions or value[x], not both","key":"ext-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Extension","xpath":"exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"}],"definition":"Indicates what mode of communication the patient prefers to use for the indicated language.","id":"Extension","isModifier":false,"max":"*","min":0,"path":"Extension","short":"The type of the patient's preferred language."},{"base":{"max":"1","min":0,"path":"Element.id"},"definition":"Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.","id":"Extension.id","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"n/a"}],"max":"1","min":0,"path":"Extension.id","representation":["xmlAttr"],"short":"Unique id for inter-element referencing","type":[{"code":"http://hl7.org/fhirpath/System.String","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type","valueUrl":"string"}]}]},{"base":{"max":"*","min":0,"path":"Element.extension"},"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div"},{"expression":"extension.exists() != value.exists()","human":"Must have either extensions or value[x], not both","key":"ext-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Extension","xpath":"exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])"}],"definition":"An Extension","id":"Extension.extension","isModifier":false,"isSummary":false,"max":"0","min":0,"path":"Extension.extension","short":"Extension","slicing":{"description":"Extensions are always sliced by (at least) url","discriminator":[{"path":"url","type":"value"}],"rules":"open"},"type":[{"code":"Extension"}]},{"base":{"max":"1","min":1,"path":"Extension.url"},"comment":"The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. 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