The ARN of the channel.
The ARN of the AppInstanceUser or AppInstanceBot that makes the API call.
AppInstanceUser
AppInstanceBot
The maximum number of messages that you want returned.
The token passed by previous API calls until all requested messages are returned.
The final or ending time stamp for your requested messages.
The initial or starting time stamp for your requested messages.
The order in which you want messages sorted. Default is Descending, based on time created.
The ID of the SubChannel in the request.