Note that this handler will return empty values if the attachment question specified was not answered on the submission. Also note that this handler will raise an exception if the specified menu label is not a question on the service item.
Question Menu Label
The menu label of the question whose attachment answer we want to generate an HTML link to.
Customer Survey Instance ID
Instance ID of the customer request.
Survey Template Instance ID
Instance ID of the Service Item Template.
The URL of the file download link generated by this handler.
The name of the attachment file that was the answer to the specified question.