<XmlElementAttribute("whatIds")>
Public Property whatIds As String()

Dim instance As MassEmailMessage
Dim value() As String
 
instance.whatIds = value
 
value = instance.whatIds

[XmlElementAttribute("whatIds")]
public string[] whatIds {get; set;}

[XmlElementAttribute("whatIds")]
public: __property string*[]* get_whatIds();
public: __property void set_whatIds( 
   string*[]* value
);

[XmlElementAttribute("whatIds")]
public:
property array<String^>^ whatIds {
   array<String^>^ get();
   void set (    array<String^>^ value);
}