URL: https://docs.unity3d.com/ScriptReference/../Manual/../ScriptReference/KeyCode.UpArrow.html
r: { user_unity_id: undefined, user_logged_in: 'no' }, environment: { environment_locale: 'en-us', environment_currency: undefined }});Up arrow key.
Use this as a parameter to a function like Input.GetKey to detect when the user presses the up arrow key. Additional resources: Input.GetKey, Input.GetKeyDown, Input.GetKeyUp.