isArrayType isArrayType(Type): Boolean Returns true if the input type is the Array 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 isArrayType behaves with different inputs. Source %dw 2.0 import * from dw::core::Types type AType = Array<String> output application/json --- { a: isArrayType(AType), b: isArrayType(Boolean), } Output { "a": true, "b": false }