You can add main marks of the assemblies to a work package. You can assign the same instance of an assembly to one work package at a time.

1. In the Work Packages dialog, double-click a work package to open it.

   The Work Package dialog opens.

2. Do either of the following
   • On the Details tab, click Add Assemblies
   • Go to the Assemblies tab and click Add.

     On the Assemblies tab, you can also view the existing main marks.

   The Assign to Work Package dialog opens.

3. Use the arrow buttons to move the main marks to be added to the work package to the right-hand side.
4. Select the desired option in New Work Package #.
5. Click Assign to Work Package.

   You are prompted to confirm the work package update.

6. Click Yes.

   The work package is updated.

7. Click OK.