ews - create calendar entry.xml

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:typ="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:mes="http://schemas.microsoft.com/exchange/services/2006/messages">
   <soapenv:Header>
      <typ:RequestServerVersion Version="Exchange2007_SP1"/>
   </soapenv:Header>
   <soapenv:Body>
      <mes:CreateItem MessageDisposition="SaveOnly" SendMeetingInvitations="SendToAllAndSaveCopy">
         <mes:Items>
            <typ:CalendarItem>
               <typ:Subject>Dentist Appointment</typ:Subject>
               <typ:Body BodyType="Text">The appointment is with Dr. Smith.</typ:Body>
               <typ:Start>2009-03-02T17:00:00Z</typ:Start>
               <typ:End>2009-03-02T19:00:00Z</typ:End>
            </typ:CalendarItem>
         </mes:Items>
      </mes:CreateItem>
   </soapenv:Body>
</soapenv:Envelope>

ews - get calendar entries.xml

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:typ="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:mes="http://schemas.microsoft.com/exchange/services/2006/messages">
   <soapenv:Header>
      <typ:RequestServerVersion Version="Exchange2007_SP1"/>
   </soapenv:Header>
   <soapenv:Body>
      <mes:FindItem Traversal="Shallow">
         <mes:ItemShape>
            <!--type: DefaultShapeNamesType - enumeration: [IdOnly,Default,AllProperties]-->
            <typ:BaseShape>AllProperties</typ:BaseShape>
            <!--Optional:-->
            <!--type: boolean-->
            <typ:IncludeMimeContent>false</typ:IncludeMimeContent>
            <!--Optional:-->
            <!--type: BodyTypeResponseType - enumeration: [Best,HTML,Text]-->
            <typ:BodyType>Text</typ:BodyType>
         </mes:ItemShape>
         <mes:CalendarView MaxEntriesReturned="10" StartDate="2009-05-01T00:00:00" EndDate="2009-07-01T00:00:00"/>
         <mes:ParentFolderIds>
            <typ:DistinguishedFolderId Id="calendar">
            </typ:DistinguishedFolderId>
         </mes:ParentFolderIds>
      </mes:FindItem>
   </soapenv:Body>
</soapenv:Envelope>