Hi,

First, you have to enable the debug mode.

• Go to settings, and click on the Technical menu on top. It can be seen only with the developer mode.
• Click on the Server Actions menu from the list of menus that come up when we click on Technical.

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• Click on the ‘New’ button to create a new Server Action and fill in the required fields.

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• from the action, you can see the newly created one

Hope it helps