There are a number of different ways to sort the order of your frames for your presentation slides:

Sort frames by Figma Layer Order

Selecting the Sort frames by Figma Layer Order option will automatically sort your the order of your frames to match their order in your Figma layers.

Sort frames visually by Columns

Selecting the Sort frames visually by Columns option will automatically sort your the order of your frames to match their visual positioning order by columns in your Figma design.

Sort frames visually by Rows

Selecting the Sort frames visually by Rows option will automatically sort your the order of your frames to match their visual positioning order by rows in your Figma design.

Ordering your slides using drag and drop

You can manually sort the order of your slides using drag and drop, by clicking/holding your mouse on the drag icon (next to any of your slides), and dragging it up or down to shift its order in your uploaded frames, then dropping it to confirm that order. This custom ordering will be saved if you want to switch between ordering options, so you can get it back by clicking the Sort frames by Custom Order option in the sorting select box.