{
  "props": {
    "example_question": {
      "type": "String",
      "trim": true,
      "_m_category": "example question",
      "index" :true
    },
    "questionId": {
      "type": "String",
      "trim": true,
      "_m_category": "questionId"
    }
  },
  "index": {
    "example_question" : "text"
  }
}