def Custom(*data, **kwargs):
    """Apply a custom operator implemented in a frontend language (like Python).

    Custom operators should override required methods like `forward` and `backward`.
    The custom operator must be registered before it can be used.
    Please check the tutorial here: https://mxnet.incubator.apache.org/api/faq/new_op



    Defined in src/operator/custom/custom.cc:L546

    Parameters
    ----------
    data : Symbol[]
        Input data for the custom operator.
    op_type : string
        Name of the custom operator. This is the name that is passed to `mx.operator.register` to register the operator.

    name : string, optional.
        Name of the resulting symbol.

    Returns
    -------
    Symbol
        The result symbol.
    """
    return 0,
