1. Open your event's dashboard and click on "Promotions".
2. Click on "Mailers".
3. Click on the 3 dots of the desired mailer and select "Manage"
4. Click on the image you want to hyperlink.
5. A menu should open on the right sidebar, under the link settings. Paste the desired link under the "Href" section.
6. Click on "Save" to persist the changes.
