User Data

It is possible to create arbitrary user data that can be attached to any object. This user data can then later be used at shading time by specific nodes with a user prefix.

The convention used to store the user data can be found in different data types such as color and float. For example:

  • Create a 'aiUserDataFloat' in Maya and call it 'TestFloat':


  • Export the scene as an .ass file and open it in a text editor. We can see that the float 'TestFloat' is stored in the .ass file as follows:

More examples on how to use these shaders can be found here.




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