From be3347f0292226ad20212e1b0db66ae306bfaf86 Mon Sep 17 00:00:00 2001
From: Spring <spring.cheung@163.com>
Date: Sun, 24 Apr 2022 09:53:18 +0800
Subject: [PATCH] fix ptz.types.SetPreset.PresetToken is optional

---
 ptz/types.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ptz/types.go b/ptz/types.go
index 3efdee1..62340a6 100644
--- a/ptz/types.go
+++ b/ptz/types.go
@@ -98,7 +98,7 @@ type SetPreset struct {
 	XMLName      string               `xml:"tptz:SetPreset"`
 	ProfileToken onvif.ReferenceToken `xml:"tptz:ProfileToken"`
 	PresetName   xsd.String           `xml:"tptz:PresetName"`
-	PresetToken  onvif.ReferenceToken `xml:"tptz:PresetToken"`
+	PresetToken  onvif.ReferenceToken `xml:"tptz:PresetToken,omitempty"`
 }
 
 type SetPresetResponse struct {