WSDL Schema with related records When a WSDL for the target Incident table is requested with an additional parameter of hierarchical=true, the WSDL schema for the Insert function will reflect available related records that may participate in the hierarchical data payload. For example, the insert portion of the schema of the incident table, when requested with hierarchical=true displays its hierarchy as follows: https://instance.service-now.com/incident.do?WSDL&hierarchical=true Figure 1. WSDL Schema ... Figure 2. WSDL Schema Continued The WSDL above shows the incident table having a related table u_custom_comments that itself has a related table u_comment_items.