I am a gamer and I like to use discord as my chat application while playing video games. I want to know how I can use cmd, powershell,or whatever code to create a command that changes the volume of a specific application or device. For example. I could have 4 hotkeys. One raises the volume of the game, one lowers the volume of the game, one raises the volume of discord, and one lowers the volume of discord. How would I go about this using code?