You can define your input parameters on this tab:

Delete old entries
Activate this option to delete all previously existing vendor entries before they are imported again.
Recipient No. filter
Enter a recipient number here to only delete and reimport and the vendors of this recipient. This option is useful if you want to import the master data of the individual recipients separately.
All other fields
Link all further fields with data from the process or assign fixed values to define the vendor. A description of the fields can be found in chapter Description of the vendor table.