Rules for Karabiner-Elements - Scroll horizontally - Hold Button 4.txt

{ "title": "Rules for Karabiner-Elements | Scroll horizontally - Hold Button 4",

  "rules": [
     { "description": "Rules for Karabiner-Elements | Scroll horizontally - Hold Button 4",
       "manipulators": 

[
    {
        "type": "basic",
        "from": {
            "pointing_button": "button4",
            "modifiers": {
                "optional": ["any"]
            }
        },
        "to": [
            {
                "set_variable": {
                    "name": "enable_mouse_motion_to_scroll",
                    "value": 1
                }
            }
        ],
        "to_after_key_up": [
            {
                "set_variable": {
                    "name": "enable_mouse_motion_to_scroll",
                    "value": 0
                }
            }
        ]
    },
    {
        "type": "mouse_motion_to_scroll",
        "from": {
            "modifiers": {
                "optional": ["any"]
            }
        },
        "conditions": [
            {
                "type": "variable_if",
                "name": "enable_mouse_motion_to_scroll",
                "value": 1
            }
        ]
    }
]

        }
    ]

}