[Bomber]

pawn Код:

if(strcmp(cmd, "/clearchat", true) == 0)
{
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
SendClientMessage(playerid, COLOR_WHITE, "");
return 1;
}

If you want, that only admin can use that then add your admin level lines.