[Aliassassin123456]

Example code:

pawn Код:

new Test[64] = "AA9909EO";
public OnPlayerConnect(playerid)
{
    for(new i;i<strlen(Test);i++)
    {
    Test[i] = tolower(Test[i]);
    }
SendClientMessage(playerid,-1,Test); // send you a message (aa9909eo)
return 1;
}