<block atomic="true"><switch test="`$vnf-topology-operation-input.vnf-request-information.vnf-id`"><outcome value='0'><return status='failure'>\r
<parameter name='error-code' value='400'/>\r
<parameter name='error-message' value='vf-modules vnf-id cannot be NULL or 0'/></return></outcome><outcome value=''><return status='failure'>\r
<block atomic="true"><switch test="`$vnf-topology-operation-input.vnf-request-information.vnf-id`"><outcome value='0'><return status='failure'>\r
<parameter name='error-code' value='400'/>\r
<parameter name='error-message' value='vf-modules vnf-id cannot be NULL or 0'/></return></outcome><outcome value=''><return status='failure'>\r