https://www.ibm.com/docs/en/ims/15.2.0?topic=requests-cslomdrg-command-deregistration-request
IMS 15.2 - System programming APIs - CSLOMDRG: command deregistration request
With the CSLOMDRG request, a command processing client like the IMS control region tells OM that it no longer wants to process commands. All client information...
system programmingimsapiscommandderegistration