This handler uses the Exchange Web Services (accessed through the Viewpoint ruby gem) to delete an existing appointment. After configuring the API to connect to the server the appointment corresponding to the inputted id is retrieved. If it is successfully found, the appointment will deleted and exchange will send messages to any of the attendees that were attached to the item. Any errors encountered will be caught and re-raised by the handler.
The username for the Exchange account.
The password for the Exchange account.
The address for the Exchange server, including the 'https://'
Enable debug logging if the value is set to 'Yes'.