Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
The unique identifier of the channel.
"6633a1b2c4d5e6f7a8b9c0d1"
The unique identifier of the conversation.
"664fa2b3c4d5e6f7a8b9c0d2"
The maximum number of messages to return. Defaults to 20 if not specified. Maximum 100.
x <= 10020
A token to retrieve the next page of results.