baseTypeOf baseTypeOf(Type): Type Returns an the base type of the given type. Introduced in DataWeave 2.3.0. Supported by Mule 4.3 and later. Parameters Name Description t The type to check. Example This example shows how baseTypeOf behaves with different inputs. Source %dw 2.0 import * from dw::core::Types type AType = String {format: "YYYY-MM-dd"} output application/json --- { a: baseTypeOf(AType) } Output { "a": "String" }