List all relation types in an app

A valid request URL is required to generate request examples

{
  "data": [
    {
      "created_at": "<string>",
      "id": "<string>",
      "title": "<string>",
      "type": "<string>",
      "updated_at": "<string>"
    }
  ],
  "details": [
    "<string>"
  ],
  "success": true
}

{
  "details": [
    "<string>"
  ],
  "message": "<string>",
  "success": true
}

{
  "details": [
    "<string>"
  ],
  "message": "<string>",
  "success": true
}

{
  "details": [
    "<string>"
  ],
  "message": "<string>",
  "success": true
}

{
  "details": [
    "<string>"
  ],
  "message": "<string>",
  "success": true
}