[yom]

What you try to do is called "wiper", idea by Spectre (if i remember) :

pawn Code:

if(strcmp(cmdtext,"/clearchat",true)==0) // Chat window is gone, fomg!
{
  for (new a=1;a<=10;a++)
  {
    SendClientMessage(playerid,COLOR_GREY,"

");
  }
  return 1;
}