https://community.esri.com/t5/data-loading-tools-questions/enhancement-request-to-simple-data-mapping/m-p/1691858#M228 <P>How can we request an enhancement to the Simple Data Mapping workbook? Can a new worksheet be provided when the workbook is created which would allow user.py functions to be configured based on field name matches in target UN fields? See screenshot for example.</P><P>In this case I would like to automatically apply my user.py function on the UN devicestatus field to determine if the source GN device is open or closed. When migrating client data, I&nbsp; repeat this multiple times manually across a dozen workbooks after running Create Migration Workspace. Can the DataMapping.xls workbook have a configuration to apply different user.py functions I consistently use on different target UN fields?</P> Sun, 22 Mar 2026 15:13:51 GMT GISP00 2026-03-22T15:13:51Z https://community.esri.com/t5/data-loading-tools-questions/enhancement-request-to-simple-data-mapping/m-p/1691858#M228 <P>How can we request an enhancement to the Simple Data Mapping workbook? Can a new worksheet be provided when the workbook is created which would allow user.py functions to be configured based on field name matches in target UN fields? See screenshot for example.</P><P>In this case I would like to automatically apply my user.py function on the UN devicestatus field to determine if the source GN device is open or closed. When migrating client data, I&nbsp; repeat this multiple times manually across a dozen workbooks after running Create Migration Workspace. Can the DataMapping.xls workbook have a configuration to apply different user.py functions I consistently use on different target UN fields?</P> Sun, 22 Mar 2026 15:13:51 GMT https://community.esri.com/t5/data-loading-tools-questions/enhancement-request-to-simple-data-mapping/m-p/1691858#M228 GISP00 2026-03-22T15:13:51Z