---
schema_version: "1"
id: d37454e8654e34b221d6a488656e49e973e8babe529db2656de898b6e8ad424a
title: Add Contacts to GroupConnect
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_gc_add_contacts.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_gc_add_contacts.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 93927342ffe20d9d983ee82f231e24f6e7e897ecbe6055c986e49a293bb2f5d3
description: Add GroupConnect Contacts to your LINE Address ID.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# 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](https://developer.salesforce.com/docs/marketing/marketing-cloud/references/mc_rest_contacts/createContacts.html).

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.

#### See Also

- [Contact Builder in Marketing Cloud Engagement](https://help.salesforce.com/s/articleView?id=mktg.mc_cab_contact_builder.htm&language=en_US)
- [Prompt a Contact to Follow Your Account](https://help.salesforce.com/s/articleView?id=mktg.mc_gc_prompt_a_contact_to_follow_your_account_and_send_attribute_information.htm&release=264.0.0&type=5 "Steps to prompt a contact to follow your account and send attribute information using the Follow template in GroupConnect. You can use only one active follow message per account. To use another follow message, inactivate the current follow message. Any user who follows your account sees these messages.")