From Garry's Mod
Removes all players from the recipient filter.
Adds all players that can see the origin of the map, removes all players, then adds the first player object to the recipient filter, and sends them a message.
function SendMessage() local filter = RecipientFilter() filter:AddPVS(Vector(0,0,0)) filter:RemoveAllPlayers() filter:AddPlayer(Entity(1)) umsg.Start("message",filter) umsg.End() end
Sends a usermessage to the first player object, if it exists.