isPeriodType isPeriodType(t: Type): Boolean Returns true if the input is the Period type. Introduced in DataWeave version 2.3.0. Parameters Name Description t The type to check. Example This example shows how isPeriodType behaves with different inputs. Source %dw 2.0 import * from dw::core::Types type APeriod = Period output application/json --- { a: isPeriodType(APeriod), b: isPeriodType(Period), c: isPeriodType(String), } Output { "a": true, "b": true, "c": false }