[
  {
    "key": "Authorization Code",
    "value": 4,
    "label": "Authorization Code",
    "items": [
      {
        "key": "client_id",
        "type": "text",
        "max_len": 100,
        "required": true
      },
      {
        "key": "client_secret",
        "type": "text",
        "max_len": 100,
        "required": true
      },
      {
        "key": "client_url",
        "type": "url",
        "required": true
      },
      {
        "key": "scope",
        "type": "text",
        "max_len": 500
      },
      {
        "key": "authorization_url",
        "type": "url",
        "required": true
      },
      {
        "key": "authorization_content_type",
        "type": "text",
        "default": "application/json",
        "required": true
      }
    ]
  }
]