diff -r 94a99330ce87 -r 0598d822614f plugins/mod_websocket.lua
--- a/plugins/mod_websocket.lua	Fri Feb 17 17:01:19 2023 +0000
+++ b/plugins/mod_websocket.lua	Mon Feb 20 18:10:15 2023 +0000
@@ -63,6 +63,9 @@
 
 local function session_close(session, reason)
 	local log = session.log or log;
+	local close_event_payload = { session = session, reason = reason };
+	module:context(session.host):fire_event("pre-session-close", close_event_payload);
+	reason = close_event_payload.reason;
 	if session.conn then
 		if session.notopen then
 			session:open_stream();