def METHOD_NAME(cls, *args, **kwargs):
    if cls._args_schema is not None:
        return cls._args_schema
    cls._args_schema = super().METHOD_NAME(*args, **kwargs)
    # define Arg Group ""
    _args_schema = cls._args_schema
    _args_schema.resource_group = AAZResourceGroupNameArg(
        required=True,
    )
    _args_schema.name = AAZStrArg(
        options=["-n", "--name"],
        help="Name of the VNet gateway.",
        required=True,
        id_part="name",
    )
    # define Arg Group "Parameters"
    _args_schema = cls._args_schema
    _args_schema.processor_architecture = AAZStrArg(
        options=["--processor-architecture"],
        arg_group="Parameters",
        help="VPN client Processor Architecture. Possible values are: 'AMD64' and 'X86'.",
        enum={"Amd64": "Amd64", "X86": "X86"},
    )
    return cls._args_schema