How do you get purchase attribution using SKStoreProductViewController?

Hello,


Is the parameter SKStoreProductParameterProviderToken in the loadProduct() used for attribution?

We are trying to figure how to get purchase attribution for an iTunes movie if we have several sources that use SKStoreProductViewController loadProduct().

We have the SKStoreProductParameterITunesItemIdentifier, SKStoreProductParameterAffiliateToken, SKStoreProductParameterCampaignToken, but what is SKStoreProductParameterProviderToken used for? Is it something that will be displayed in the sales reporting?


Thanks,

-Christian