The Artificial Lights dialog lists all lighting fixtures in the building model, including ungrouped lights and grouped lights. Use this dialog to create and modify light groups, and to add or remove individual lighting fixtures in groups.
When you open this dialog from a 3D view, you can also use it to dim or turn on or off light groups or individual lighting fixtures for rendering.
To open the Artificial Lights dialog from a 3D view
To open the Artificial Lights dialog from a 2D view