1. On the event dashboard, click on "Agenda" from the left sidebar menu.
2. Select and click on the session you want to set up the banner image.
3. In the session manager scroll down to banner image section, and click on upload to upload a banner image in the required format and dimensions.
4. Once you upload the banner image, you have the option to crop and use the image.
5. Click on save to save the changes made.
