In Zentail:
- Select a SKU in the Catalog table
- Click the blue EDIT button
- Click the Category & Description tab
- In the Categorization section click the icon to the right of the Jet Browse Node ID field
On Dropbox (maintained by Jet):
- Access the main dropbox folder
- Select the most recently modified file
Trick for identifying the best Jet Browse Node ID by searching Jet.com:
video