OptionallogAn optional value that will be logged to the console as an error.
OptionalmessageAn optional message that is displayed to the user in the bot view. If this value is not provided, a default message will be shown instead.
Note that support for this field was added in web chat 6.7.0. It will be ignored in earlier versions.
The discriminating value for this type.
This error is meant to be displayed while the user is attempting to connect to a service desk and before an agent has joined. If this error is generated by the service desk, it is expected that the service desk will treat the chat as having ended (or never started).