If you are developing an add-on that requires a custom param type that the Fusion Builder doesn’t have, you can use the following filter to add your custom param type to the Fusion Builder.

Adding a new param type requires you to provide a param name and the param template file that will be used to generate the output for that param type in the element editor screen.

Basic usage of the filter:

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Once you’ve added the param type to the Fusion Builder, you will need to write the template file for it to display. Here’s a sample param file used for radio_button_set param type in the Fusion Builder. You need to write the custom param file similar to this.

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