National Instruments Graphical User Interface Ultiboard - Manual (Page 166)

Chapter 5 Working with Traces and Copper
NI Ultiboard User Manual 5-22 ni.com
The remainder of this section uses the example shown in the figure
below. The parts shown are not connected any net.
3. Click the Add pins button and click the desired pin in the workspace.
Continue until all pins for the net are listed in the Pins area.