Optional
agent_For messages that are sent between the user and a human agent, we assign an agent type to the message to distinguish what type it is.
Optional
message_The type of user input.
Optional
skill_Optional payload received from the completion of a skill-based action by a web chat form widget.
Optional
textThe text of the user input to send to the back-end.
The default interface for message input that is sent to a back-end in a message request. This represents basic text input.