A key field for the target and source data group can be selected here. If the values for both fields match, the action will be performed for the corresponding target data record.
Target data group / Source data group
In each case, select the data field whose values should be compared.
The amount of target data records, which should be edited or deleted, can be restricted here.
Opens a dialog where a filter can be created.
With this setting, the action will be performed for all target data records.