Step 1: Go to Campaigns
Step 2: Click on + Campaign > Email
Step 3: Select the User Criteria - Past behavior journeys for people in the database, Live journeys for targeting people as soon as they perform an action in your app (Complete course, 21-day streak, etc)
Step 4: Tick Conversion Tracking - This will help you track the goals of your campaign.
Step 5: Targeting - Select the targeting for the campaign. For more info about targeting, check this document:-
Step 6: Create E-Mail - Create the e-mail in the “what” section. Learn more about the email editor here
Step 7: Send the E-Mail - Send the E-Mail or Schedule it for later.