Some online marketplaces like Amazon, eBay, or Miinto support their own category tree. They require to use the marketplace categories in the product feed.
In Koongo, you can map your store categories easily to the marketplace categories under the Category Mapping tab.
Category mapping procedure (older version)
Map each of your store categories to the appropriate marketplace category. Please map it to the marketplace category lowest level. Click the Save button for saving the setting.
If you click the Copy button, the category settings of a given store category will be copied to all its child categories.