On PathFinder, click the Alternate Assemblies tab.
On the Alternate Assemblies tab, click the Save Member As button.
On the Save Member dialog box, specify the file name and location, then click the Save button.
Tip:
When you save an alternate assembly member as a new assembly document, the new assembly document is not an alternate assembly.
To learn more about alternate assemblies, work through the Family of Assemblies tutorial.