def add_video_frame(team_name, review_id, timescale:nil, custom_headers:nil)
      response = add_video_frame_async(team_name, review_id, timescale:timescale, custom_headers:custom_headers).value!
      nil
    end
def add_video_frame(team_name, review_id, timescale:nil, custom_headers:nil)
      response = add_video_frame_async(team_name, review_id, timescale:timescale, custom_headers:custom_headers).value!
      nil
    end
The reviews created would show up for Reviewers on your team. As Reviewers
 complete reviewing, results of the Review would be POSTED (i.e. HTTP POST) on
 the specified CallBackEndpoint.

 <h3>CallBack Schemas </h3>
 <h4>Review Completion CallBack Sample</h4>
 <p>
 {<br/>
 "ReviewId": "<Review Id>",<br/>
 "ModifiedOn": "2016-10-11T22:36:32.9934851Z",<br/>
 "ModifiedBy": "<Name of the Reviewer>",<br/>
 "CallBackType": "Review",<br/>
 "ContentId": "<The ContentId that was specified input>",<br/>
 "Metadata": {<br/>
 "adultscore": "0.xxx",<br/>
 "a": "False",<br/>
 "racyscore": "0.xxx",<br/>
 "r": "True"<br/>
 },<br/>
 "ReviewerResultTags": {<br/>
 "a": "False",<br/>
 "r": "True"<br/>
 }<br/>
 }<br/>

 </p>.

 @param team_name [String] Your team name.
 @param review_id [String] Id of the review.
 @param timescale [Integer] Timescale of the video you are adding frames to.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.