This simple plugin is designed to show the basic functionality of ONLYOFFICE Document Editor plugins. It inserts the 'Hello World!' phrase when you press the button.
It is without interface plugin and isn't installed by default in cloud, self-hosted and desktop version of ONLYOFFICE editors.
- Open the Plugins tab and press "hello world".
If you need more information about how to use or write your own plugin, please see this https://api.onlyoffice.com/plugin/basic