If you want to customize TinyMCE within Voyager, you can do so by adding a additional JS file to your config.
In this file you have to define a function like
If you need to manipulate TinyMCE before it was initialized, you can use
If you want to customize TinyMCE init configuration Options you can merge your custom options in BREAD details as follow:
If you want to use tinyMCE outside it's default template rich_text_box
you'll need initialize it with:
For all possible variables, functions and configuration Options please refer to the TinyMCE documentation.