If you have coding experience, you can use the data:repeater component to populate a gallery through a media folder. Otherwise, it's recommended to manually add images to the gallery element for ease.
You may find the instructions in the following guide helpful
Advanced Galleries
If you're adding the code within the event's page, follow these steps:
- Navigate to the event editor and click 'Edit Event.'
- In the Event Description WYSIWYG editor, click the <> icons located at the top right of the editor.
- Scroll to the bottom, where an HTML editor will open, allowing you to add the code that populates images from a media folder.