Tells Business Chat to start a chat.
- iOS 11.3+
- macOS 10.13.4+
- Business Chat
A UUID string that identifies the business. The registering agent for your business receives the business identifier after registering for Business Chat. See Registering for Business Chat for more information.
A set of parameters to associate with the chat session.
Call this method to launch Messages and start a chat. To set the initial text of the message, include