When setting up a payroll integration, only fields that live directly in a category can be used as source fields in the Value mapping section.
This means fields inside a table, although being list-type fields, are still columns in a table and won’t appear as available options in field mapping.
In practice, if a field is stored as a column within a table, it can’t be selected during field mapping. Recreate the field at the category level if you need it as a source field in your integration.
Example of column in a table:
Example of field in a category:
