-#ifdef EXPERIMENTAL_TPDA
-int tpda_defer_errno = 0;
-uschar *tpda_defer_errstr = NULL;
-uschar *tpda_delivery_ip = NULL;
-int tpda_delivery_port = 0;
-uschar *tpda_delivery_fqdn = NULL;
-uschar *tpda_delivery_local_part= NULL;
-uschar *tpda_delivery_domain = NULL;
-uschar *tpda_delivery_confirmation = NULL;
+#ifdef EXPERIMENTAL_EVENT
+uschar *event_action = NULL; /* expansion for delivery events */
+uschar *event_data = NULL; /* auxilary data variable for event */
+int event_defer_errno = 0;
+uschar *event_name = NULL; /* event name variable */