'Delete a network domain
:param      network_domain: The network domain to delete
:type       network_domain: :class:`DimensionDataNetworkDomain`
:rtype: ``bool``'

def ex_delete_network_domain(self, network_domain):

    delete_node = ET.Element('deleteNetworkDomain', {'xmlns': TYPES_URN})
    delete_node.set('id', network_domain.id)
    result = self.connection.request_with_orgId_api_2('network/deleteNetworkDomain', method='POST', data=ET.tostring(delete_node)).object
    response_code = findtext(result, 'responseCode', TYPES_URN)
    return (response_code in ['IN_PROGRESS', 'OK'])
