<outcome value=''><return status='failure'>\r
<parameter name='ack-final' value='Y'/>\r
<parameter name="error-code" value="500" />\r
<parameter name="error-message" value="brg-topology-operation-input.brg-request-input.vlan-tag is a required input" />\r
<outcome value=''><return status='failure'>\r
<parameter name='ack-final' value='Y'/>\r
<parameter name="error-code" value="500" />\r
<parameter name="error-message" value="brg-topology-operation-input.brg-request-input.vlan-tag is a required input" />\r