1 files changed, 3 insertions, 0 deletions
diff --git a/pool.go b/pool.go
index f491dfa5..e432ec25 100644
--- a/pool.go
+++ b/pool.go
@@ -13,6 +13,9 @@ const (
 
 // Pool managed set of inner worker processes.
 type Pool interface {
+	// Watch attaches pool event watcher.
+	Watch(o func(event int, w *Worker, ctx interface{}))
+
 	// Exec one task with given payload and context, returns result or error.
 	Exec(rqs *Payload) (rsp *Payload, err error)