Is your feature request related to a problem? Please describe.

The JSON engine documentation states:

The query string is a slash / separated path of JSON key names. Array entries can be specified using the index

My problem was that I did not understand how array entries can be specified.
I expected that square brackets should be used e.g.: key[2]/another_key and (somehow) did not think of actually using the slash to specify the array entry: key/2/another_key.

Describe the solution you'd like

A small addition in the documentation showing an example of specifying array entries to parse JSON output.

Describe alternatives you've considered

N/A

Additional context

N/A