From 394422232579cd77eecb880fcfa544ecde6ac299 Mon Sep 17 00:00:00 2001
From: Naser Mirzaei <nasermirzaei89@gmail.com>
Date: Sun, 16 Oct 2016 17:27:14 +0330
Subject: [PATCH] add caption to audio

---
 configs.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configs.go b/configs.go
index b91d070..7302f4e 100644
--- a/configs.go
+++ b/configs.go
@@ -278,6 +278,7 @@ type AudioConfig struct {
 	Duration  int
 	Performer string
 	Title     string
+	Caption   string
 }
 
 // values returns a url.Values representation of AudioConfig.
@@ -295,6 +296,9 @@ func (config AudioConfig) values() (url.Values, error) {
 	if config.Title != "" {
 		v.Add("title", config.Title)
 	}
+	if config.Caption != "" {
+		v.Add("caption", config.Caption)
+	}
 
 	return v, nil
 }