%dw 2.0
output application/json
---
{ "namesOf" : namesOf({ "a" : true, "b" : 1}) }DataWeave
namesOf
namesOf(obj: Object): Array<String>
Returns an array of strings with the names of all the keys within the given object.
Introduced in DataWeave version 2.3.0.
Parameters
| Name | Description |
|---|---|
|
The object to evaluate. |
Example
This example returns the keys from the key-value pairs within the input object.
Source
Output
{ "namesOf" : ["a","b"] }JSON
namesOf(obj: Null): Null
Helper function that enables namesOf to work with a null value.
Introduced in DataWeave version 2.4.0.



