Using
The left application panel shows the application launcher structure. When you browse items in the left panel, the right panel shows detailed information for the highlighted menu item.

General tab
Name: 	This is the name of your program as it appears in the application launcher menu. It can be different from the real executable name. For instance the name of mc executable is "Midnight Commander".
Description: 	The description will be displayed together with the name in the application launcher. This is entirely optional.
Comment: 	Describe the program in greater detail in this field. This is entirely optional.
Command: 	This is the name of the executable program. Make sure that you have permission to run the program.
Enable launch feedback 	If this box is checked, this will display feedback when an application is started.
Only show in 	When checked, the application entry will only be visible in all application launchers but not in other desktops environments.
Hidden entry 	Remove an entry from the menu view in the application launcher.

Advanced tab
Work path: 	Specify the work path of the program. This will be the current path when the program launches. It does not need to be the same as the executable location.
Run in terminal 	You must check this if your program requires terminal emulator in order to run. This mainly applies to console applications.
Terminal options: 	Put all terminal options in this field.
Run as a different user 	If you want to run this program as a different user (not you), check this checkbox, and provide the username in the Username: field.
Current shortcut key: 	You can assign a special keyboard shortcut to launch your program.
Click the None button to the right of the Current shortcut key: checkbox.
The button text will change to Input... and you can press the key combination on your keyboard that you want to be assigned to your program.
You can reset the shortcut to None by using this button: .
Don't forget to save your setting by clicking the toolbar Save icon or using the File Save menu item.