This is a lower-level API. Lower-level APIs are not recommended for most projects, and may not be available on all plans. See our page on recommended deployment patterns for more information.
Initialization Option Question Editor API


If defined, the rich text editor will display a custom button in it's toolbar. If the button is clicked by an author, the function is called.


Request object key rich_text_editor.customButtons

Type array[CustomButton]

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