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

overwrite_basic_styles

If set to true, only custom_styles will be visible in the Styles button. The default styles will not be added.

Values

Request object key rich_text_editor.overwrite_basic_styles

Type boolean