function CreateObjectNode(Instance: TObject; RootNode: IXMLNode; ParentNode: IXMLNode; const Name: InvString; const URI: InvString; ObjConvOpts: TObjectConvertOptions): InvString;
__fastcall InvString CreateObjectNode(TObject * Instance, IXMLNode RootNode, IXMLNode ParentNode, const InvString Name, const InvString URI, TObjectConvertOptions ObjConvOpts);
This is CreateObjectNode, a member of class TSOAPDomConv.