DesktopWindow.FullScreenPrimaryMBS as Boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
property	Window	MBS Util Plugin	21.5	✅ Yes	❌ No	❌ No	❌ No	Desktop only

Whether this window is setup as being the primary fullscreen window.

If true, the window receives the fullscreen widget in the title bar.
(Read and Write computed property)