You can assign a model to a contract either manually at the contract level, or in bulk, using Custom Importers, which can be found in the Action section in the left menu.
Adding model(s) to contract(s) in bulk, using Custom Import
You can assign a model to a contract either manually at the contract level, or in bulk, using Custom Importers, which can be found in the Action section in the left menu.
Adding model(s) to contract(s) in bulk, using Custom Import