Script - for Roku Remote Tool - Volume Section

About the tool remote control tool i have a idea to how use but i need a script to change the volume , i need help in this case or other solutions i try to use mi computer to control the tv

and i need this script maybe for change the volume

http://devtools.web.roku.com/RokuRemote/

Hi @matiastded_79 ,

The Roku Remote Tool does not support the changing of the volume in a script.

is it possible for developers to fix this? or even just add a volume button to the application?