Duration-Change1_Updated.xml

<?xml version="1.0" encoding="UTF-8"?>
<VAST version="2.0">
   <Ad id="1009589">
      <InLine>
         <AdSystem version="1.0">Mountain</AdSystem>
         <AdTitle><![CDATA[ctvmountain]]></AdTitle>
         <Impression><![CDATA[about:blank]]></Impression>
         <Creatives>
            <Creative>
               <Linear>
                  <Duration>00:00:50</Duration>
                  <MediaFiles>
                     <MediaFile id="1" delivery="progressive" type="video/mp4" bitrate="3000" width="1920" height="1080"><![CDATA[https://c.mountain.com/static/video/ctv_b2b_30sec_MNTN_v2_IAB.mp4]]></MediaFile>
                  </MediaFiles>
                  <TrackingEvents />
                  <VideoClicks>
                     <ClickThrough><![CDATA[https://mountain.com]]></ClickThrough>
                  </VideoClicks>
               </Linear>
            </Creative>
         </Creatives>
      </InLine>
   </Ad>
</VAST>