General about plugins
Plugins are placed on the left side and they are divided into groups.
There are 2 main groups:
You can add or create your own plugins with custom categories
Plugins could be filtered with the group filters on the right. By default All plugins are shown.
Operations with plugins
To add the plugin on canvas expand the needed group then drag & drop the plugin.
After that you can simply move the plugin around the canvas in any direction.
If you want to add custom plugin then click Add button and locate the plugin you want to add.
If you want to remove custom plugin simply select this plugin from the plugin list and click Remove.
If you want to update custom plugin:
You can hide and expand plugin fields with hide/expand icons in the upper right corner of the plugin