title: How to Channel list of you-tube cms account by you tube data api?
body: <p>I am using you tube data api to get channel list of a you tube cms account. My url is -
  <a href="https://www.googleapis.com/youtube/v3/channels?part=snippet,contentDetails&amp;managedByMe=true&amp;maxResults=50&amp;onBehalfOfContentOwner=" rel="nofollow">https://www.googleapis.com/youtube/v3/channels?part=snippet,contentDetails&amp;managedByMe=true&amp;maxResults=50&amp;onBehalfOfContentOwner=</a>{CONTENT_OWNER_NAME}&amp;key={API-KEY}
  but i am always getting this error -
  You do not have permission to execute this method. 
  Now i cant understand that what to do for this error ?</p>