searchTerms.json

{
  "compliance" : "BOTH",
  "who" : [ {
    "lhs" : {
      "type" : "AllTrackers"
    },
    "operator" : null,
    "rhs" : [ ]
  } ],
  "what" : [ {
      "type" : "Expression",
      "requirement" : {
        "type" : "TrackerItem",
        "id" : 4495
      },
      "field" : "SMART_FIELDS",
      "operator" : "VHR_FIELDS_DRILLDOWN_OPERATOR",
      "values" : [ {"questionId":"1","answer":"1","questionId":"3","answer":"2"} ]
    } ]
  }
}

the json posted above is correct.We need values to be a List<QuestionAnswerMapping> where QuestionAnswerMapping is as follows:

public class QuestionAnswerMapping{ int questionId; //question id chosen for filter int answer; //answer = 1 if yes 2 if no }