How do you add items to a JSON Array?

[Nige_S]

@DanThomas

I want to add the new item to the JSON array.

You can combine those three actions into one:

Append to a JSON Array (compact).kmmacros (3.2 KB)

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...the extra maths being required because of KM's 1-based array indexing.

Otherwise, isn't JSON just text in a standardised format? In which case:

Append to a JSON Array (strings).kmmacros (3.2 KB)

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Both should also work with "internal" arrays if you've a nested format -- in both cases you'd be pulling the "internal" array into Local_Array, manipulating it, then replacing the original in the blob.