What are the key setup fields to be considered while defining PTO ATO hybrid model in fusion PIM

Summary:

I need to define Hybrid model with PTO at the TOP and one ATO model under PTO and some optional items along with ATO.

Content (required):

I am looking for the oracle documentation to specify setup documents for defining PTO ATO Hybrid model and could not find, could you please help me with the key setup fields to be considered in PTO model.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):