The FFSTProbe method of triggering is done by selecting the Enable System Dump option on the FFST Probe Control Table Entry Summary - Add window shown on page Probe Control Table (PCT) Entry Add or Change Summary Window. When your code calls FFSTProbe for a Probe ID that you specified on FFST Probe Control Table Entry Summary - Add window a system dump starts immediately. The FFSTProbe function calls the DosForceSystemDump function to perform the dump.