Result - Invoke Operation (Magic xpa 4.x)
Sets the variable that will keep the returned value of the Invoke OS Command operation.
Platform specific: In the Invoke OS operation, this property is not supported for mobile devices.
The Invoke OS operation calls an API function: Process.Start Method (ProcessStartInfo).
The full description on this function is available at:
https://msdn.microsoft.com/en-us/library/0w4h05yb(v=vs.110).aspx
If the Wait property is set to Yes, then the exit code is returned.
If the Wait property is set to No, then it returns 0 on successful call or -1 on unsuccessful call.