category?

ConversationFileCategory | undefined

(Optional) The category of the file, either channel files or conference recordings.

channelId

string

The unique identifier of the channel containing the message.

download?

number | undefined

(Optional) URL behavior, 0 - open(play) for audio/video, others are downloaded; 1 — always download.

fileId

string

The unique identifier of the file to download.

messageId

string

The unique identifier of the message containing the file.