With Engage, you can build email and SMS marketing campaigns within Journeys.

Use real-time data and unified customer profiles to send personalized messages to subscribed users. Build and send email and SMS campaigns for multi-channel customer engagement.

Use Engage to send [email](/docs/engage/campaigns/email-campaigns/) and [SMS campaigns](/docs/engage/campaigns/sms-campaigns/) in Journeys:

- Send email and SMS messages to subscribed users as a step in a Journey.

- Insert real-time [profile traits from merge tags](/docs/engage/campaigns/use-profile-traits/) to personalize messages.

- Test your email and SMS before you include them in campaigns.

With Engage, you can build [email](/docs/engage/content/email/template/) and [SMS templates](/docs/engage/content/sms/template/) to use throughout your campaigns. Build an email template using a visual editor or an HTML code editor. Personalize templates with merge tags and test your messages before you send them in campaigns.

Engage saves the message templates for you to preview, maintain, and reuse throughout your campaigns.