Update interval of the video carousel, unit: seconds
Which user can join video carousel 1: all users 2: device available users only
Whether video carousel is enabled 1: enabled 0: disabled
Video carousel type 1: sequential 2: random
Classroom schedule info
Delay to close current classroom after class, unit: seconds
Duration of current classroom, unit: seconds
Start time of current classroom, unit: milliseconds
State of course
Video gallery state
Whether video gallery is open or not
List of User UUDI of Video gallery
Handup progress
Extra playload
User raise hand timestamp,in milliseconds
User name
User UUID
deprecated
Streaming info of the record
FLV URL
HLS URL
RTMP URL
Track info
extra info
Object position
Object size
Video carousel setting