Follow these steps to add a gallery page to your navigation and populate it with images.
Step 1 — Add the gallery page
Go to Layers and click on Navigation links.
Click Add new item and select the Image gallery dynamic page.
Name the page whatever you like, then click Preview and navigate to the page to see how it looks.
Step 2 — Edit the gallery content
Find the collection for the gallery page.
Here you can update:
Title — the name displayed on the page
URL — the page's web address
Background image — the hero or header image
Image gallery — the collection of images shown on the page
Step 3 — Add images to the gallery
In the image gallery field, click Add image.
Click the upload area and select the image you want to add.
Once uploaded, click Preview to confirm the new image appears in the gallery.