public class Facepunch.ActionGraphs.Node.Output : Facepunch.ActionGraphs.Node.Parameter<T>

Just like Subgraphs, you can also create your own custom Nodes with C# (and shader code) to be used in Shader Graphs.

Shading Models are what processes how a model is lit, this is typically is the final step and output of your shader.

Decodes a video file or URL and exposes the current frame as a Texture.

You can create your own nodes by making a .action game resource.

If you want a specific file/asset type to have a custom Thumbnail/Inspector Preview, you can simply create an AssetPreview. An AssetPreview initializes a SceneWorld and SceneCamera, rendering the Camera to the Preview output, so all you need to do is populate it and/or position the Camera to your liking.

Subgraphs are a collection of Shader Graph nodes that can be easily reused as a single node across other Shaders and even other Subgraphs. This is an easy way of develop custom Shader Graph Functions of your own.