email_aware_02-04.py

PUT courses-02/_doc/Abc123
{
  "instructors": "donna.karen@uni.gov,jojo.star.crusade@uni.gov",
  "course": {
    "name": "Introduction to Economics",
    "medium": "skype"
  }
}
GET courses-02/_search
{
  "query": {
    "match": {
      "instructors": "karen"
    }
  }
}

...
/* result */
{
  "hits" : {
    "hits" : [
      {
        "_index" : "courses-02",
        "_type" : "_doc",
        "_id" : "Abc123",
        "_score" : 0.2876821,
        "_source" : {
          "instructors" : "donna.karen@uni.gov,jojo.star.crusade@uni.gov",
          "course" : {
            "name" : "Introduction to Economics",
            "medium" : "skype"
          }
        }
      }
    ]
  }
}