Side button mapping for MX Master 3 for Mac

mx_master3_mac.json

{
  "title": "Logitech MX Master 3 for Mac",
  "rules": [
    {
      "description": "Side button for desktop switch",
      "manipulators": [
        {
          "type": "basic",
          "from": {
            "pointing_button": "button4"
          },
          "to": [
            {
              "key_code": "left_arrow",
              "modifiers": "left_control"
            }
          ],
          "conditions": [
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1133,
                  "product_id": 45091,
                  "description": "Logitech MX Master 3 for Mac"
                }
              ]
            }
          ]
        },
        {
          "type": "basic",
          "from": {
            "pointing_button": "button5"
          },
          "to": [
            {
              "key_code": "right_arrow",
              "modifiers": "left_control"
            }
          ],
          "conditions": [
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1133,
                  "product_id": 45091,
                  "description": "Logitech MX Master 3 for Mac"
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "Cmd+Side buttons for mission control and app expose",
      "manipulators" :[
        {
          "type": "basic",
          "from": {
            "pointing_button": "button5",
            "modifiers": {
              "mandatory": [
                "left_command"
              ]
            }
          },
          "to": [
            {
              "apple_vendor_keyboard_key_code": "mission_control"
            }
          ],
          "conditions": [
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1133,
                  "product_id": 45091,
                  "description": "Logitech MX Master 3 for Mac"
                }
              ]
            }
          ]
        },
        {
          "type": "basic",
          "from": {
            "pointing_button": "button4",
            "modifiers": {
              "mandatory": [
                "left_command"
              ]
            }
          },
          "to": [
            {
              "apple_vendor_keyboard_key_code": "mission_control",
              "modifiers": "left_control"
            }
          ],
          "conditions": [
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1133,
                  "product_id": 45091,
                  "description": "Logitech MX Master 3 for Mac"
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "Opt+Side buttons for forward and backward",
      "manipulators" :[
        {
          "type": "basic",
          "from": {
            "pointing_button": "button5",
            "modifiers": {
              "mandatory": [
                "left_option"
              ]
            }
          },
          "to": [
            {
              "key_code": "close_bracket",
              "modifiers": "left_command"
            }
          ],
          "conditions": [
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1133,
                  "product_id": 45091,
                  "description": "Logitech MX Master 3 for Mac"
                }
              ]
            }
          ]
        },
        {
          "type": "basic",
          "from": {
            "pointing_button": "button4",
            "modifiers": {
              "mandatory": [
                "left_option"
              ]
            }
          },
          "to": [
            {
              "key_code": "open_bracket",
              "modifiers": "left_command"
            }
          ],
          "conditions": [
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1133,
                  "product_id": 45091,
                  "description": "Logitech MX Master 3 for Mac"
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "Thumb button for launchpad",
      "manipulators": [
        {
          "type": "basic",
          "from": {
            "key_code": "tab",
            "modifiers": {
              "mandatory": [
                "left_command"
              ]
            }
          },
          "to": [
            {
              "apple_vendor_keyboard_key_code": "launchpad"
            }
          ],
          "conditions": [
            {
              "type": "device_if",
              "identifiers": [
                {
                  "vendor_id": 1133,
                  "product_id": 45091,
                  "description": "Logitech MX Master 3 for Mac"
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}