namesOf

namesOf(Object): Array<String>

Returns an array of strings with the names of all the keys within the given object.

Introduced in DataWeave 2.3.0. Supported by Mule 4.3 and later.

Name Description

Name	Description
`obj`	The object to evaluate.

obj

The object to evaluate.

This example returns the keys from the key-value pairs within the input object.

%dw 2.0
output application/json
---
{ "namesOf" : namesOf({ "a" : true, "b" : 1}) }

{ "namesOf" : ["a","b"] }