tente de cette maniere
dteamchatcmd(playerid,params[]){
new team;
team = GetPlayerTeam(playerid);
new playername[256];
GetPlayerName(playerid,playername,256);
new temptext[256];
new count;
for(count = 0;count <= MAX_PLAYERS;count++){
if(IsPlayerConnected(count)){
if(GetPlayerTeam(count) == team){
format(temptext,256,"[TEAM]%s: %s",playername,params);
SendClientMessage(count,bleuclaire,temptext);
}
}
}
return true;
}