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-rw-r--r--src/guestfs.pod15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/guestfs.pod b/src/guestfs.pod
index 8cb1b867..6ccecedb 100644
--- a/src/guestfs.pod
+++ b/src/guestfs.pod
@@ -1833,6 +1833,21 @@ If no callback is registered: the messages are sent to stderr. You
can override the printing of trace messages to stderr by setting up a
callback.
+=item GUESTFS_EVENT_ENTER
+(payload type: function name)
+
+The callback function is called whenever a libguestfs function
+is entered.
+
+The payload is a string which contains the name of the function
+that we are entering (not including C<guestfs_> prefix).
+
+Note that libguestfs functions can call themselves, so you may
+see many events from a single call. A few libguestfs functions
+do not generate this event.
+
+If no callback is registered: the event is ignored.
+
=back
=head3 guestfs_set_event_callback