In Supervisor you can filter and save in a definite text file all output messages produced by the component during execution of your graph:
To set filtering parameters:
Before execution of your graph right-click on the background of the Supervisor viewer window containing your graph and from the pop-up menu choose Filter Notification option. The following dialog box will appear:
In this dialog box you can specify a file, where all output messages will be put, and choose the type of messages for logging by every node composing your graph.