You can specify a JavaScript based drill through that enables you to drill through to a graphical user interface instead of an URL. To do this, you write a script in the Script Editor and store it in a custom script directory.
The JavaScript for the drill through is associated with the source adapter. You invoke JavaScript from the drill through link by specifying "#javascript" instead of "http URL" in the source system. You can also pass contextual parameters to a JavaScript function similar to the http drill URL.
To add a drill through using JavaScript: