Contains the message information for each message specified in MessageIDs. The amount and type of information returned varies based on the requested detail level. Contains one MyMessagesMessageType object per message. Returned as an empty node if user has no messages.
Summary data for a given user's messages. This includes the numbers of new messages, flagged messages, and total messages. The amount and type of data returned is the same whether or not the request includes specific MessageIDs. Always/Conditionally returned logic assumes a detail level of ReturnMessages.