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"Here's how I follow it. Others please correct. JT400 Class ServiceProgramCall invokes class RemoteCommandImplRemote to load and run the service program procedure. The service program name, procedure name and parameters are all loaded up into a parameter structure and QSYS/QZRUCLSP is invoked by sending a RCProgramCallRequestDataStream using the server.sendAndReceive() method. QZRUCLSP dynamically loads the service program and runs the command, returning the result (result must be an integer or void) and all..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archive.midrange.com/midrange-l/201307/msg00590.html>