Karabiner Complex Mod JSON config for Keychron K1 (Change Siri button to Eject)

keychron-k1-siri-to-eject.json

{
  "title": "Keychron K1 : Replace Siri button with Eject",
  "rules": [
    {
      "description": "Keychron K1 : Change Siri button (Fn+Spacebar) to Eject.",
      "manipulators": [
        {
          "from": {
            "key_code": "spacebar",
            "modifiers": {
              "mandatory": [
                "fn"
              ],
              "optional": [
                "any"
              ]
            }
          },
          "to": [
            {
              "key_code": "eject"
            }
          ],
          "type": "basic"
        }
      ]
    }
  ]
}