Karabiner Elements - CapsLock to hyper/escape

gistfile1.txt

{
    "global": {
        "check_for_updates_on_startup": false,
        "show_in_menu_bar": false,
        "show_profile_name_in_menu_bar": false
    },
    "profiles": [
      {
        "complex_modifications": {
          "rules": [
            {
              "manipulators": [
                {
                  "description": "Change caps lock to hyper/escape",
                  "type": "basic",
                  "from": {
                    "key_code": "caps_lock",
                    "modifiers": {
                      "optional": [
                        "any"
                      ]
                    }
                  },
                  "to": [
                    {
                      "key_code": "left_control",
                      "modifiers": [
                        "left_command",
                        "left_option",
                        "left_shift"
                      ]
                    }
                  ],
                  "to_if_alone": [
                    {
                      "key_code": "f18"
                    }
                  ]
                }
              ]
            }
          ]
        },
        "name": "Profile",
        "selected": true
      }
    ]
}

"key_code": "f18" should be "key_code": "escape" or the title should be CapsLock to hyper/f18 ;)