Follow constraint
Command line name : PrB_FollowConstraint

This command is only useful to advanced users who create custom macros.
This command allows us to let any object follow the position of a coordinate system.
For this constraint to work we need a module that contains a coordinate system and another object, both of which are set as rigid objects in the module.
The coordinate system needs to be constrained in the module.
Then the follow constraint can be created by first selecting the coordinate system and then the object that needs to follow the coordinate system.
When created correctly the follow constraint will move the object to always have the same rotation and position relative to the coordinate system.
When the coordinate system moves or rotates the other object will follow suit.
This tool is especially useful for positioning 3D Solids inside Structure objects because there are no other ways to position 3D solids using macros at the time of writing.
Using the tool directly in the model is possible too, but that makes the part being constrained vulnerable to manual user changes, possibly triggering unintended consequences.