/etc/logid.cfg configuration file

logid.cfg

devices: ({
  name: "Wireless Mouse MX Master 2S";

  // A lower threshold number makes the wheel switch to free-spin mode
  // quicker when scrolling fast.
  smartshift: { on: true; threshold: 16; };

  hiresscroll: { hires: true; invert: false; target: false; };

  // Higher numbers make the mouse more sensitive (cursor moves faster),
  // 4000 max for MX Master 3.
  dpi: 1000;

  buttons: (

    // Make thumb button 10.
    { cid: 0xc3; action = { type: "Keypress"; keys: ["KEY_LEFTMETA"]; }; },

    // Make top button 11.
    { cid: 0xc4; action = { type: "Keypress"; keys: ["KEY_MUTE"];    }; },
    // Back & forward = volume
    { cid: 0x53; action = { type: "Keypress"; keys: ["KEY_VOLUMEUP"];    }; },
    { cid: 0x56; action = { type: "Keypress"; keys: ["KEY_VOLUMEDOWN"];    }; }

  );
});