In the desktop application, you can use the keyboard shortcuts to control the screen recording. The provided keyboard shortcuts are:
Start or Stop recording
Mac option + shift + E
Windows & Linux alt + shift + E
Pause or Resume recording
Mac option + shift + K
Windows & Linux alt + shift + K
Restart recording
Mac option + shift + F
Windows & Linux alt + shift + F
Discard recording
Mac option + shift + D
Windows & Linux alt + shift + D
If you like to use shortcuts of your choice, you can do that from Settings -> Keyboard shortcuts
