The operation and behaviour of an opening is identical to the one of a window or a door.
Steps to create a new opening:
- Run the "_vaOpening" command (from the command line or VisualARQ drop-down menu).
- Specify the opening insertion options in the opening insert dialog box.
- Insert the opening inside a wall in the model.
After the opening is inserted you may realize that it is difficult to select. There is an easy way to solve that: Adding a frame component to the opening:
Read more information here.