OptionalintegrationId?: stringThe id of the integration to deliver the message to. Will return an error if the integration does not exist or if the user does not have a client for the integration attached to the conversation.
OptionalintegrationType?: stringThe type of the integration to deliver the message to. Can be set to none if sending a silent message. Will return an error
if the user does not have a client of that type attached to the
conversation.
The destination of the message, in the case of channel targeting or sending silent messages. Only applicable if the author role is
businessand the conversation is of typepersonal.