def METHOD_NAME(self):
    """Allows to connect fields_containerB input to the operator.
    Parameters
    ----------
    my_fields_containerB : FieldsContainer
    Examples
    --------
    >>> from ansys.dpf import core as dpf
    >>> op = dpf.operators.math.cplx_multiply()
    >>> op.inputs.fields_containerB.connect(my_fields_containerB)
    >>> # or
    >>> op.inputs.fields_containerB(my_fields_containerB)
    """
    return self._fields_containerB