Constructor accepts hierarchical category feeds in a variety of formats. Our preferred format is a UTF-8 encoded CSV file titled
item_groups.csv, with each row representing a relationship between related categories along with the name of the category.
Note that the
item_groups.csv file must be included as part of a compressed archive file as detailed here.
There should be a single root category with a name like “All” that has a blank parent ID. An example file is:
An example file is provided below.