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.extension_name = AAZStrArg(
        options=["-n", "--name", "--extension-name"],
        help="The name of the machine extension.",
        required=True,
        id_part="child_name_1",
    )
    _args_schema.machine_name = AAZStrArg(
        options=["--machine-name"],
        help="The name of the machine where the extension should be deleted.",
        required=True,
        id_part="name",
        fmt=AAZStrArgFormat(
            pattern="^[a-zA-Z0-9-_\.]{1,54}$",
            max_length=54,
            min_length=1,
        ),
    )
    _args_schema.resource_group = AAZResourceGroupNameArg(
        required=True,
    )
    return cls._args_schema