avg avg(Array<Number>): Number Returns the average of numbers listed in an array. An array that is empty or that contains a non-numeric value results in an error. Parameters Name Description values The input array of numbers. Example This example returns the average of multiple arrays. Source %dw 2.0 output application/json --- { a: avg([1, 1000]), b: avg([1, 2, 3]) } Output { "a": 500.5, "b": 2.0 }