max max(Array<T>): T | Null Returns the highest Comparable value in an array. The items must be of the same type, or the function throws an error. The function returns null if the array is empty. Parameters Name Description values The input array. The elements in the array can be any supported type. Example This example returns the maximum value of each input array. Source %dw 2.0 output application/json --- { a: max([1, 1000]), b: max([1, 2, 3]), c: max([1.5, 2.5, 3.5]) } Output { "a": 1000, "b": 3, "c": 3.5 }