What formats are supported for the assignments submitted by learners?

The assignment content supports text, images, and voice, but does not support videos for now.

The maximum length of text is 10,000 characters; the maximum number of images is 9; the maximum duration of audio is 300 seconds, with a maximum of 60 seconds per voice message and a maximum of 5 messages. Each 60-second segment will be automatically saved, and recording of the next segment will start automatically.