This provides a method of sending a Patient DFN VistA mail message from client methods.
This is the message content that is sent if the Send Flag is set.
This is the internal entry number of the site parameter file that designates the local Imaging configuration from which this message is addressed.
If this is the last line of the message and if this value is set to "1" then the message will be sent.
This value is set to the application that has created this message.