The SNA network discovery is carried out using /PARMS group AUTOSNACNTL.
OS: z/OS
On OML $RSNDPR (Network Automation Discovery Process), a comment says:
/*****************************************************************/
/* WE DO NOT WANT TO DISCOVER APPL MODELS */
/*****************************************************************/
So, application models and applications based on models (dynamic applications) are intentionally not discovered, because they cannot
be monitored reliably, based on the received VTAM message traffic.
Please see additional information regarding the discovery of dynamic applications at this NetMaster Tech Docs topic: