Now you enter the Entity Type, meaning which type of data records you want top check for duplicates. You can choose between contacts and companies.

 

Limit the number of data records you want to check by selecting a group (only possible with the entity Contacts).

 

In the end you go on Save. On the left side in the navigation bar you will see more options now.

 

You can get to the field settings by either clicking on the arrow button below (1) or by going on Field Settings (2) in the navigation bar.