You can get the list of system objects' names, reactions, and Axxon PSIM events used for programming using the ddi.exe configuration setting utility. The description of the main system objects' reactions is in the Description of events and reactions of system objects section.

You can start the ddi.exe utility in one of the following ways:

1. From the Start menu → Axxon PSIM → System configuration

2. From the Tools64 folder of the Axxon PSIM installation directory.
   

To view the list of system objects' names, events, and reactions, do the following:

1. Open the psim.ddi file in the utility.
2. Select the DDI tab on the left part of the utility window (1). The list on this tab displays system objects.
   
3. In the list on the DDI tab, select the object whose events and reactions you want to view (2).
4. To view the name of the selected object, go to the Names tab (3).
5. To view the list of events for the selected object, go to the Events tab.
6. To view the list of reactions for the selected object, go to the Reactions tab.

For more details on how to work with the ddi.exe utility, see the Editing main.dbi and main.ext.dbi templates of the main database using the ddi.exe utility section.