Fusion 8.2.1 & 9 have a new Lua and Python based GUI building system called the fu.UIManager library. This library is used whenever you need to create your own custom graphical user interface in a Fusion based Lua or Python script.

The fu.UIManager allows you to add object oriented windows, buttons, text fields, sliders, tree list views, and controls that are accessible inside your script code. The new fu.UIManager library is QT window manger based and it is used to replace Fusion 7's older...

Hi. This thread will be the starting point for a new WSL tutorial series of posts that will hopefully get you started creating, editing, and releasing your own custom Fusion Macros. :cheer:

A macro is a plain text document that has the .setting file extension. It is built with the same general syntax as a Fusion .comp document but is cut down to just the elements of a few nodes and avoids the typical header data used in a full Fusion composite for things like the Fusion timeline and viewer...

This forum will be about all the nice things you can do with Fusion's scripting and Fuse API, whether it's questions, expressions, snippets or finished scripts.

To get you started with scripting, it's highly recommended to take a look at vfxpedia:

The original scripting tutorial on vfxpedia
Jump directly to Fusion's class hierarchy
Description of eyeonscript's Lua libraries
Specific information related to comp scripts , tool scripts or InTool scripts & expressions
To build a Fusion...