To configure actions in KNotes:
Right-click on the KNotes panel icon.
Select Preferences...
The KNotes Defaults - KNotes dialog will open.
Choose the Actions icon from the three icons at the left.
The following choices are available:
Type a mail command and any required command line switches in this box.
By using "%f" in the command line you can pass the filename of the note body to the mail command.
Type a printing command and any required command line switches in this box.
Use the following variables in the command line:
"%p" is the printer name.
"%t" is the title.
"%f" is the filename of the note body.