In Litium Studio back office, go to the Control Panel > Deployment > Apsis Connector and click the Save button in the toolbar.

The Apsis Connector is now deployed.

When the Apsis Connector is configured and deployed the new fields are added to the Relations module, and assigned to the Group template defined in the configuration file for Apsis (see configure)

ApsisMailingListId - the unique value coming from Apsis for the MailingList Group

UseGroupInApsis - this field (checkbox) indicates whether the group should synchronize with Apsis

UseGroupInApsisPreviousState - hidden field, only used for sync