NX How to change the NC output to be used for Simulation

Multiple files have been created to run on the machine tool. Where does NX allow you to change the machine code file to be simulated?

Locate the "Tools" Group in the "Ribbon" and select the drop down to the right of Part Material.

Select "Program Manager".

MB3 on the current file and select "Delete".

MB3 on Main and select + Add...

Browse for the desired file and select OK.

Notes