<function name="SetupPlayerVisibility" parent="GM" type="hook"> <description>Allows you to add extra positions to the player's [PVS (Potential Visibility Set)](https://developer.valvesoftware.com/wiki/PVS "PVS - Valve Developer Community"). This is the place to call <page>Global.AddOriginToPVS</page>.</description>⤶ <description>Allows you to add extra positions to the player's [PVS (Potential Visibility Set)](https://developer.valvesoftware.com/wiki/PVS "PVS - Valve Developer Community"). This is the place to call <page>Global.AddOriginToPVS</page>.⤶ <warning>This hook is called every tick for each player! Ensure that your code is performant!</warning></description>⤶ <realm>Server</realm> <args> <arg name="ply" type="Player">The player</arg> <arg name="viewEntity" type="Entity">Players <page>Player:GetViewEntity</page></arg> </args> </function>