diff --git a/events/pubsub.go b/events/pubsub.go
index e8c428250..383629d88 100644
--- a/events/pubsub.go
+++ b/events/pubsub.go
@@ -10,8 +10,9 @@ type Handler interface {
 }
 
 type Message struct {
-	Topic string
-	Data  []byte
+	Topic    string
+	Data     []byte
+	Metadata map[string]interface{}
 }
 
 type PublishMetadata struct {