public Action:TextMsg(UserMsg:msg_id, Handle:bf, const players[], playersNum, bool:reliable, bool:init)
{
decl String:chat[100];
BfReadString(bf, chat, sizeof(chat));
if (ff_mode && GetConVarBool(h_chat) && StrContains(chat, "teammate_attack") != -1)
return Plugin_Handled;
return Plugin_Continue;
}