POST Api/ExamAttempt/SaveAnswer

{
  "candidateId": 1,
  "examId": 2,
  "ipAddress": "sample string 3",
  "questionId": 4,
  "optionId": 5,
  "reason": "sample string 6",
  "attemptId": 7,
  "remainingSeconds": 8,
  "loginStatus": 9,
  "isMultiple": true,
  "tabSwitchCount": 11,
  "opCode": 12,
  "isException": true,
  "exceptionMessage": "sample string 14",
  "ds": null,
  "id": "sample string 15",
  "strId": "sample string 16",
  "userId": 17,
  "status": 18,
  "message": "sample string 19",
  "pageSize": "sample string 20",
  "pageIndex": "sample string 21",
  "responseValue": {}
}

<ExamAttempt xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/SMSWebAPI.Models">
  <DS i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/DLLUtility" />
  <PageIndex xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">sample string 21</PageIndex>
  <PageSize xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">sample string 20</PageSize>
  <exceptionMessage xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">sample string 14</exceptionMessage>
  <id xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">sample string 15</id>
  <isException xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">true</isException>
  <message xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">sample string 19</message>
  <opCode xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">12</opCode>
  <responseValue xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">
    <xs:schema id="sample_x0020_string_x0020_3" targetNamespace="sample string 4" xmlns:mstns="sample string 4" xmlns="sample string 4" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" attributeFormDefault="qualified" elementFormDefault="qualified">
      <xs:element name="sample_x0020_string_x0020_3" msdata:IsDataSet="true" msdata:CaseSensitive="true" msdata:UseCurrentLocale="true">
        <xs:complexType>
          <xs:choice minOccurs="0" maxOccurs="unbounded" />
        </xs:complexType>
      </xs:element>
    </xs:schema>
    <diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1" />
  </responseValue>
  <status xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">18</status>
  <strId xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">sample string 16</strId>
  <userId xmlns="http://schemas.datacontract.org/2004/07/DLLUtility">17</userId>
  <AttemptId>7</AttemptId>
  <CandidateId>1</CandidateId>
  <ExamId>2</ExamId>
  <IPAddress>sample string 3</IPAddress>
  <IsMultiple>true</IsMultiple>
  <LoginStatus>9</LoginStatus>
  <OptionId>5</OptionId>
  <QuestionId>4</QuestionId>
  <Reason>sample string 6</Reason>
  <RemainingSeconds>8</RemainingSeconds>
  <tabSwitchCount>11</tabSwitchCount>
</ExamAttempt>