command - Command to execute install_url - URL to downlod from if the specified program in not installed on the user's system. install_message - Install Message to display
Remarks:
The install_url and install_message parameters are optional and can be left out.
If passing parameters to called programs, you need to replace any spaces in the path name with %20. For example: "c:\Program%20Files\program.exe -parameter"
Compatibility
From version 2.3 the command can contain an absolute path of a file to execute. System folders and paths are also searched for the command.
Prior to version 2.3, the command name needs to be specified and its path must be defined in the registry: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths