{
  "channel": "#http-knocking",
  "username": "HTTP Knocking",
  "icon_emoji": ":door:",
  "attachments": [
    {
      "color": "#5cb58a",
      "fields": [{
        "title": "Open",
        "value": "{{openKnocking}}"
      }]
    },
    {
      "color": "#cc0000",
      "fields": [{
        "title": "Close",
        "value": "{{closeKnocking}}"
      }]
    }
  ]
}