diff --git a/v1/types.go b/v1/types.go
index c73a464..e644f0d 100644
--- a/v1/types.go
+++ b/v1/types.go
@@ -130,6 +130,7 @@ type (
 		ID          uint64 `url:"id,omitempty"`
 		ChannelID   uint64 `url:"channel_id,omitempty" json:"channel_id"`
 		ChannelType string `url:"channel_type,omitempty" json:"channel_type"`
+		CustomerID  uint64 `url:"customer_id,omitempty" json:"customer_id"`
 		Since       string `url:"since,omitempty"`
 		Until       string `url:"until,omitempty"`
 		Limit       int    `url:"int,omitempty"`