Another option would be to search for the process ID in the Object Spawner logs:
[sas@trcv090 Logs]$ grep 'Created ' ObjectSpawner_2021-02-22_trcv090_23168.log
2021-02-22T12:53:19,400 INFO [00000224] :sasdemo - Created process 23257 using credentials sassrv for user sasdemo (child id 0).
2021-02-22T12:54:59,045 INFO [00000366] :sasdemo - Created process 23525 using credentials sassrv for user sasdemo (child id 1).
2021-02-22T13:00:10,338 INFO [00001055] :sasdemo - Created process 23719 using credentials sassrv for user sasdemo (child id 2).
[sas@trcv090 Logs]$
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Greg Wootton | Principal Systems Technical Support Engineer