This will display the message on the screen.
Choose one of the 10 virtual displays to send the message to. You can then choose which display to view from the drop down list on the main syslog daemon display.
You can rename the displays to something more meaningful by using the File | Setup | Display menu option, then choosing the display from the "Modify display names" dropdown, entering a new name into the field provided, then pressing the "Update" button.