There are many magic methods in response object. With AppendToLog method you can access and write your message to ISS logs. This could be very usefull if you wish to create custom messages in log files. But there is greate limitation of this method which can write maximum 80 characters and can not contains commas. Because log files are comma-delineated files and informations are splitting with commas.
AppendToLog in response object is a property of AppendToLog in response object respective authors, vendors and developers. You can download AppendToLog in response object for your hardware. If you want to use AppendToLog in response object for other purpose, Please contact the authors, vendors and developers of AppendToLog in response object.