...
This tool prompts the user to select a source to copy the addon parameters fromjoin elements. The source must be a structural framing member. The tool then prompts the user to select multiple target elements to join to the source element. The target element elements you wish to join must be of the Specialty Equipment or the Generic Model type. In addition, its family name must contain one of the followingthe values in the list of Join Elements settings in the BIMpak Settings window:
...
The default values are: ADDON, CORBEL, PILASTER, LDGE, LEDGE, CORNIC, SOLID_ZONE_RECTANGULAR, or SOLID_ZONE_TAPERED. If the previous conditions are not met, the given element will not be selectable by the user.
...