Answer by Jessy

> I'm just getting my feet wet in> ShaderLab and am a bit confused as to> why I can't find a simple list of> property types. Me too! Google "shaderlab properties" and they're the first hit!> Matrix parameters are not exposed in> the material inspector, but can be set> and queried with SetMatrix and> GetMatrix from scripts. http://unity3d.com/support/documentation/ScriptReference/Material.SetMatrix.html