public static function setEnvName($arg_env_name)
    {
        if($arg_env_name == 'stage'){
            self::$envName = 'stage';
            self::$domain = self::$domainStage;
        }elseif($arg_env_name == 'prod'){
            self::$envName = 'prod';
            self::$domain = self::$domainProd;
        }else{
            throw new \Exception('Invalid Environment Given',4046969);
        }
    }