Mailchimp Integration

1. Go to Mailchimp page and login to your account.
2. Go to: Audience >> Manage Audience >> Signup forms >> Form Builder
3. Change audience if you need
4. From the options list "Forms and response emails" choose "Final welcome email" and check "Send a final welcome email" option
   
   
5. Then go to: Audience >> Manage Audience >> Settings >> Audience Fields and *|MERGE|* tags
6. Add a new field where:
   Field label and type: Coupon Code
   Put this tag in your content: COUPON
   

Additional fields configuration

Additional fields work the same as coupon’s code. Use additional fields name for mapping fields instead of COUPON.