Specifies the subset of item and user fields to return. See GetSellerList in the eBay Web Services guide for a list of the fields that are returned for each granularity level. For GetSellerList, use DetailLevel or GranularityLevel in a request, but not both. For GetSellerList, if GranularityLevel is specified, DetailLevel is ignored.
See the
Field Index to learn which calls use GranularityLevel.