diff --git a/exp/sns/sns.go b/exp/sns/sns.go
index 7a4243d..a47820e 100644
--- a/exp/sns/sns.go
+++ b/exp/sns/sns.go
@@ -183,6 +183,7 @@ type PublishOpt struct {
 	MessageStructure string
 	Subject          string
 	TopicArn         string
+	TargetArn        string
 }
 
 type PublishResp struct {
@@ -213,6 +214,10 @@ func (sns *SNS) Publish(options *PublishOpt) (resp *PublishResp, err error) {
 		params["TopicArn"] = options.TopicArn
 	}
 
+	if options.TargetArn != "" {
+		params["TargetArn"] = options.TargetArn
+	}
+
 	err = sns.query(nil, nil, params, resp)
 	return
 }