Chat identifier of the channel direct messages chat.
Identifier of the message starting from which messages must be fetched; use 0 to get results from the last message.
The maximum number of messages to be returned; must be positive and can't be greater than 100. If the offset is negative, the limit must be greater than or equal to -offset. For optimal performance, the number of returned messages is chosen by TDLib and can be smaller than the specified limit.
Specify 0 to get results from exactly the message from_message_id or a negative offset up to 99 to get additionally some newer messages.
Identifier of the topic which messages will be fetched.
Returns messages in the topic in a channel direct messages chat administered by the current user. The messages are returned in reverse chronological order (i.e., in order of decreasing message_id). Request type for Tdjson#getDirectMessagesChatTopicHistory.