DataWeave 2.2 is compatible and bundled with Mule 4.2. Standard Support for Mule 4.2 ended on May 2, 2021, and this version of Mule will reach its End of Life on May 2, 2023, when Extended Support ends.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

slice(Array<T>, Number, Number): Array<T>

Selects the interval of elements that satisfy the condition: from <= indexOf(array) < until

Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.


Name Description


The array of elements.


The lowest index to include from the array.


The lowest index to exclude from the array.


This example returns an array that contains the values of indices 1, 2, and 3 from the input array. It excludes the values of indices 0, 4, and 5.


%dw 2.0
import * from dw::core::Arrays
output application/json
var arr = [0,1,2,3,4,5]
slice(arr, 1, 4)



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