Yes, I use a lot in my video encoding gui, you can write without quote, like:
cmd /c powercfg -setacvalueindex 381b4222-f694-41f0-9685-ff5bb260df2e 4f971e89-eebd-4455-a8de-9e59040e7347 5ca83367-6e45-459f-a27b-476b1d01c936 0
or long command, use quote to encapsulate spaces like file name, or...