Link a Referral Form and Invitation Content to a Mailing Print

Question: 
How to link a referral form and invitation content to a mailing?

Solution:
Linking the referral form and invitation content  to a mailing:

1. Navigate to "Content: Create New Content"
2. Populate the "Content name" and "Description:" and "Subject:" fields
    
3. Navigate to the: "HTML Message" tab
4. Click on "Insert URL"
5. Navigate to the "Referral" tab
6. Populate "Clickable text:"
7. Choose a value from the "Invitation content:" drop-down field
    
8. Choose a value from the "HTML Referral Form:" drop-down field
9. Click "Insert"
10. Click "Save"
11. Click "Create Mailing"