NativeXMLSchemaCustomization > XSITypes
Native XML schema support includes the ability to specify the global types for which you want to enable the use of derived types on base types by using the xsi:type attribute.
When you specify a .xsd file for TypeTree, the generated XSITypes property displays under NativeXMLSchemaCustomization in the input or output cards. The default value is None. You can run the Native XML Schema Customization wizard to enable the use of derived types on base types by using the xsi:type attribute. When the global types are specified, the properties contain the numeric designation and global_type_name {namespace} value for each of the global types you selected.