Returns all videos in playlist
     
    
    Usage
    playlist_videos(playlistId = NULL, ...)
 
     
    
    Arguments
- playlistId
 
Required. String. Id of YouTube playlist.
 
- ...
 
Addt. arguments passed to analytics_request
 
 
    
    
    Examples
    if (FALSE) { # \dontrun{
playlist_videos(playlistId = "PL2MI040U_GXq1L5JUxNOulWCyXn-7QyZK")
} # }