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Add Contacts to GroupConnect
Add GroupConnect Contacts to your LINE Address ID.
You can add GroupConnect contacts using Contact Import in Contact Builder or by using Contacts API.
In Contacts Import, select the feature and use Import to a List to create the Import Definition. To use this definition, upload your contact file to your Marketing Cloud Engagement FTP location.
Contact Considerations
- If an import has multiple ContactKeys for the same LINE Address ID, the system keeps one ContactKey and the remaining ContactKeys are orphaned.
- In Import Clean-up, create a DataView (MobileLineOrphanContactView) with orphaned ContactKeys. You can use Automation Studio to import these contacts into a data extension and use the data extension to trigger the contact delete process.
- When you import a new ContactKey for an existing LINE Address ID, the billable Contact count always increases. The old ContactKey remains in the system as either an orphaned contact or as a contact still associated with other channel subscriptions. To manage your billable Contact count, periodically delete orphaned contacts.
- When you change the ContactKey associated with a LINE Address ID, refresh your audiences before sending a message if the filter is using the ContactKey value. Before you send Journey Builder messages, update the journey entry data extensions to prevent a send fail.
- If a contact is included twice in an import, which ContactKey is applied isn’t guaranteed.
- Use the GroupConnect LINE Contact import feature for Update only.

