---
schema_version: "1"
id: 2c250aec62d1022be438966857ac8060d592e03efd68afd3d8c49b783ed63d90
title: Configure an Existing Content Builder Multi-Content Message in Journey Builder
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_jb_configure_cb_mcm_in_jb.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_jb_configure_cb_mcm_in_jb.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 58157dfdffa29686614e799a01d874c402c84aa2134c06cc66ebfe134ded99fb
description: Use a multi-content message in a LINE Message activity to power Journey Builder sends to Marketing Cloud Engagement contacts in a journey. A multi-content message can include a single video, image, audio, or text message or up to five of these elements in one message. You can add multi-content messages that you created in Content Builder to a Journey Builder LINE activity.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Configure an Existing Content Builder Multi-Content Message in Journey Builder

Use a multi-content message in a LINE Message activity to power Journey Builder sends to Marketing Cloud Engagement contacts in a journey. A multi-content message can include a single video, image, audio, or text message or up to five of these elements in one message. You can add multi-content messages that you created in Content Builder to a Journey Builder LINE activity.

![Important](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-mktg-mc_journeys_and_automations-264-0-0-production-enus/e08cdd71-c1c1-4ae5-a5e9-8a6dad583ad4/images/icon_important.png)

Important To create journeys with LINE, select a data extension that has a contact key as the primary key, and relate the contact key to the subscriber key. Ensure that the selected contact key has a LINE address ID associated with it. To add Email or SMS activities to your journey, check that your data extension has email and mobile attributes. Journeys with LINE plus Push or Inbox activities aren’t supported.

To create LINE messages, your account must have LINE channels enabled. To learn more about how to get LINE access and channels, contact your Marketing Cloud Engagement account representative.

1. In Journey Builder, drag the **LINE Message** activity to the canvas.
2. Click the **LINE Message** activity, and add a name and description.
3. To access an existing message, click **Select Message**, and select your message from Content Builder Messages.
4. Click **Summary**.
5. Next to Message Configuration, click **Edit**.
6. Select your LINE channel from the dropdown.
7. Click **Summary**.
8. To view a detailed version of your message, click **Detail View**.
9. To get a subscriber-level preview for your message, click **Subscriber Preview**.
10. Click **Done**.