I cant see this being initiated via the database, so it is likely to be an action within a DLL file or something similar. As the ASDK does not have anything for PMS, you can use that.
The good news is that my good friend Ludovic has already provided a toolkit that customers can use:
https://www-secure.symantec.com/connect/articles/cwoc-patchautomation-toolkit-documentation-and-guides