[Kirollos]

pawn Код:

#define ClearChat(%1) for(new cc=0; cc < 100; cc++) SendClientMessage(%1, -1, " ");

then in anywhere use like that. i'll give example:

pawn Код:

public OnPlayerConnect(playerid)
{
    ClearChat(playerid);
    //continue your stuff.
    return 1;
}