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localcmd
From Quake Wiki
Function: localcmd
void localcmd (string text)
text = text of the command, ended by \n (newline).
Execute a command on the server, as if it had been typed on the server's console.
Examples:
localcmd("restart\n"); // restart the level localcmd("teamplay 1\n"); // set deathmatch mode to teamplay localcmd("killserver\n"); // poor server...