http://hl7.org/fhir/StructureDefinition/elementdefinition-selector|4.0.1

A FHIRPath statement that defines whether an element is in the slice.
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/Extension
typehttp://hl7.org/fhir/StructureDefinition/Extension
Extension.value[x].typehttp://hl7.org/fhir/StructureDefinition/string