How to create a Subinventory Level Sourcing Rules for Order Management

Summary:

We have a requirement to create Sourcing Rules based on Organization and Subinventory for Global Order Promising

Content (please ensure you mask any confidential information):

We have a requirement to process Sales Order by sourcing the Sales Orders against a given Organization and Subinventory through GOP. So, we are looking to pass Organization and Subinventory in the sourcing rule, but only getting an option to assign Organization but not subinventory.

Please suggest, how to use Global Order Promising Sourcing Rules to assign the Source to a combination of Organization and Subinventory ?

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