User Ad Studies

The following endpoint will be deprecated on April 30th, 2019, for version 3.3+ of the Graph API and Marketing API. Apps that have used this endpoint in the last 90 days can continue using them with API versions 3.2 and lower until July 30th, 2019. Apps that have not used this endpoint in the last 90 days will be unable to use it starting on April 30th, 2019.