Attaching one or more entities to a base entity.
1. Use a percentage or conditional routing to the assembly activity for the base entity.
2. Use the Attach routing for each entity to be attached to the base entity.
Example: In the final assembly step of a bicycle assembly line, two pedals and the seat are assembled to each bicycle. Assembly time is four minutes.
TO DO: Create the activity and storages and make the connections as shown above. In the Attach routing for the pedals, enter a quantity of 2 in the properties dialog as shown. Enter 4 in the Time field of the Final Assembly activity.