Configure Survivorship > Adding deduplication criteria
  

Adding deduplication criteria

To identify and merge field group values that are duplicates, you can set fields within a field group as deduplication criteria. You can also select fields within nested field groups as deduplication criteria.
    1From the Explore page, open the business entity.
    2On the Survivorship tab, select the field group.
    3In the Deduplication section, select fields from the list.
    4Click Apply, and then click Save.