нужно изменить...

register_message(get_user_msgid("SendAudio"),"FireInTheHole")
register_message(get_user_msgid("TextMsg"), "message_text")

public FireInTheHole(msgid,msg_dest,msg_entity) {
    if(get_msg_args() < 3 || get_msg_argtype(2) != ARG_STRING)
        return PLUGIN_HANDLED
    
    new szArg[32]
    get_msg_arg_string(2,szArg,31)
    if(equal(szArg ,"%!MRAD_FIREINHOLE"))
        return PLUGIN_HANDLED;
    return PLUGIN_CONTINUE;
}

public message_text(msgid, dest, id) {
    if (get_msg_args() != 5 || get_msg_argtype(RADIOTEXT_MSGARG_RADIOTYPE) != ARG_STRING)
        return PLUGIN_CONTINUE

    static arg[32]
    get_msg_arg_string(RADIOTEXT_MSGARG_RADIOTYPE, arg, sizeof arg - 1)
    if (!equal(arg, "#Fire_in_the_hole"))
        return PLUGIN_CONTINUE

    get_msg_arg_string(RADIOTEXT_MSGARG_CALLERID, arg, sizeof arg - 1)
    new caller = str_to_num(arg)
    if (!is_user_alive(caller))
        return PLUGIN_CONTINUE

    return PLUGIN_HANDLED
}