| Updated: April 19, 2023 |
PPS directories can include special objects that you can open to facilitate subscription behavior. The table below lists these special objects:
| Object | Use |
|---|---|
| .all | Open to receive notification of changes to any object in this directory. |
| .notify | Open a notification file descriptor in the PPS filesystem root. |
For more information, see “Subscribing to multiple objects” in the Subscribing chapter.