playbackSessionID A GUID that identifies the playback session to use in HTTP requests. Declarationvar playbackSessionID: String! { get } See AlsoMovie access log event propertiesnumberOfSegmentsDownloadedplaybackStartDateuriserverAddressnumberOfServerAddressChangesplaybackStartOffsetsegmentsDownloadedDurationdurationWatchednumberOfStallsnumberOfBytesTransferredobservedBitrateindicatedBitratenumberOfDroppedVideoFrames