Click User Connection
in the Connection toolbar.
The Connection dialog box appears.
In the Category box, select a category.
In the Reference box, select Beam1 in 3D graphic area.
In the Elements list, select Beam2 in 3D graphic area.
The selected beam is listed in the Object column and C1 is displayed in the Name column.
Right-click the row C1 and select Set Intersecting element.
The
mark appears next to C1 in the Elements area indicating the intersecting element. Also, a point is created at the intersection of the reference object and the selected element in the 3D graphic area.
Click OK.
The user connection is formed.

A UserConnection.1 sub-node is created under UserConnectionSet node in the specification tree.