What is this action ?

This action allows you to create new fields within the script, according to different field types. It is located in the node bar, in the 3rd position:

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It is generated empty, with an empty field waiting, of type string :

Script view

Script view

Configuration view

Configuration view

How does it work ?

Settings

There are 4 types of values for an action context:

Create a new one

An action context can cumulate the creation of several fields

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Delete a context key