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index

index(Number): PathElement

This function creates a PathElement data type to use for selecting an array element and populates the type’s selector field with the specified index.

Some versions of the update and mask functions accept a PathElement as an argument.

Parameters

Name Description

index

The index.

Example

This example creates an selector for a specified index. It sets the selector’s value to 0. In the output, also note that the value of the "kind" key is "Array".

Source

 %dw 2.0
 output application/json
 import * from dw::util::Values
 ns ns0 http://acme.com/foo
 ---
 index(0)

Output

{
   "kind": "Array",
   "namespace": null,
   "selector": 0
 }

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