def METHOD_NAME(self):
    """Allows to connect fields_container input to the operator.
    If a field is in input, it is passed on as an
    output
    Parameters
    ----------
    my_fields_container : Field or FieldsContainer
    Examples
    --------
    >>> from ansys.dpf import core as dpf
    >>> op = dpf.operators.utility.extract_field()
    >>> op.inputs.fields_container.connect(my_fields_container)
    >>> # or
    >>> op.inputs.fields_container(my_fields_container)
    """
    return self._fields_container