public bool UpdateNotificationMessageMetaData(
	string messageId,
	string data,
	string key
)

Public Function UpdateNotificationMessageMetaData ( 
	messageId As String,
	data As String,
	key As String
) As Boolean

public:
virtual bool UpdateNotificationMessageMetaData(
	String^ messageId, 
	String^ data, 
	String^ key
) sealed

abstract UpdateNotificationMessageMetaData : 
        messageId : string * 
        data : string * 
        key : string -> bool 
override UpdateNotificationMessageMetaData : 
        messageId : string * 
        data : string * 
        key : string -> bool