ExamSession

{
    "id": 0,
    "examActivityId": 0,
    "sessionName": "string",
    "startTime": "string",
    "endTime": "string",
    "duration": 0,
    "totalScore": 0,
    "passingScore": 0,
    "personCount": 0,
    "state": "string",
    "isDel": "string",
    "createBy": 0,
    "createTime": "string",
    "updateBy": 0,
    "updateTime": "string"
}