The serviceLib.getOriginalRequest() system
function provides access to an HTTP request. If the function is invoked
in a callback or onException function, the HTTP request was sent to
the service during the specific call that caused the service to invoke
the callback or onException function. If serviceLib.getOriginalRequest() is
invoked elsewhere, the HTTP request was sent to the service during
the most recent invocation of the call statement;
and in the absence of a previous call statement,
the HTTP request fields are empty.