Saves all appointments.

Sample request:

{
    "AppointmentID": "0",
    "CalendarID": "2952",
    "ServiceProviderID": "45056505",
    "ServiceProviderName": "Tanya Pierce",
    "CustomerID": 45056512,
    "ServiceID": "8960177",
    "ServiceName": "Touch-up",
    "StyleID": 0,
    "AppDate": "2020-05-15",
    "AppTime": "11:15",
    "AppType": 0,
    "Price": "120.00",
    "Duration": "120",
    "PointGiven": "0",
    "PointRedeem": "0",
    "GenderInformation": 0,
    "OutcallType": 0,
    "IsVerifyOverlap": true,
    "RuleID":0,
    "IsRecurrence":false,
    "IsEditSeries":false,
    "RuleType":0,
    "RuleMonth":0,
    "WeekFrequency":0,
    "IsSendMail":true,
    "IsWaitingAppointment":0,
    "ProcessStartTime":0,
    "ProcessDuration":0,
    "ProcessEndTime":15,
    "IsAdvanceDurationChange":false,
    "WaitingAppDates":"",
    "RecAppChangeType":0,
    "ResourceID":"0",
    "BusinessPackageID":0,
    "BookingType":1,
    "EventType":1,
    "EventCapacity":0,
    "BusinessID":122993,
    "LoggedInUserID":45056505,
    "Device":"iPhone",
    "Version":"3.9.3",
    "IsDragDropDiffCal":false,
    "IsWorkShop":false,
    "IsCheckAttendeeExists":false,
    "NoOfSessions":0,
    "SellPrice":0.000000,
    "IsServiceAtSameTimePerform": false
}