A mediation handler is a wrapper for the mediation code that operates
on the message. You can add mediation function to an existing mediation handler
by working with the message context, the message properties, the message header
or the message payload.
About this task
There are four main aspects of the message through which you can
change the behavior of the mediation handler code, or influence the routing
of a message. You can change the values in the message context and message
properties, and you can work with the contents of the message (called the
message payload), or with the message header: