Once you save your work by clicking the "Publish" button, you are now free to import and map data as you normally would for your other Channels.

After filling in your data, the submission step is a little different compared to dedicated Channels.

When you are ready to submit, you will be given options as to how you want to send the information: download as a spreadsheet, upload to a SFTP server, or email directly.

After clicking "Yes, submit!" another notice will pop up in the upper-right corner providing a download link you can copy and share:

Note:
While your products will show as "Submitted", you are still able to make changes and adjustments to submit an updated spreadsheet if needed.