Where can I find it? Services >>> Service >>> Service details
When a Gift voucher is delivered, the beneficiary will receive an Email with some images and descriptions.
Go to the Services tab >>> click on the services you want to edit >>> Service details. Then, you will find the fields: Service summary and service full description.
For adding images, scroll down and you'll find a select to upload them. Also, you can select which image will be the cover of the Gift Voucher.