This command toggles occlusion culling. Occlusion culling stops models from being rendered when they aren't within your view (e.g. trees behind your camera won't be rendered).
The syntax for the toggleocclusionculling command is as follows:
Find below working examples of the toggleocclusionculling command.
This is the only way that you can use this command. If Occlusion Culling is enabled, this command will disable it. If Occlusion Culling is disabled, this command will enable it.