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The setup documentation for the Exclusivity Check can be found here: https://advendio.atlassian.net/wiki/spaces/SO/pages/1463746607/8.4.5 Setup and Configure the Media Search for Lightning.3%2BHow%2Bto%2Bsetup%2Bthe%2BMedia%2BSearch%2Bwith%2BAvailability%2BCheck