Using the Swift Galleries Designer
This one's easier to just show you in a video, so here you go. If you want to skip straight to learning how to save a suggestion, I've typed out the steps below this video.
Saving a Suggestion
After you have placed products on the wall, either via templates or adding new products, and you have applied photos to all of the products, whether through the photos panel or the product itself, click on "Add to Suggestions":
We strongly recommend that you have at least one suggestion saved before creating an online sales opportunity or doing an In-Person Sales session. This is also the only way to complete this step during your trial and move on to the next step.