The message to send.
             
 Declaration Syntax
 Declaration Syntax| C# | 
public string MessageBody { get; set; }
 Remarks
 Remarks
             The maximum allowed message size is 8 KB.
             The following list shows the characters (in Unicode) allowed in your message, according to the W3C XML specification
             (for more information, go to http://www.w3.org/TR/REC-xml/#charsets). If you send any characters not included in the
             list, your request will be rejected.
            
             #x9 | #xA | #xD | [#x20 to #xD7FF] | [#xE000 to #xFFFD] | [#x10000 to #x10FFFF]