A short explanation on how to add a custom button to the EZPublish online editor (ezoe).
Step 1: Setting up the extension
The custom button could be set up using an existing ezpublish extension or by creating a new one. Assuming you want to use a new extension, create a new folder called ‘newbutton‘ in the extension folder. Don’t forget to activate the extension by adding ‘ActiveExtensions=newbutton’ or ‘ActiveAccessExtensions=newbutton’ to your list of ExtensionSettings in site.ini.append.php: