title: Webservice call with unique ID when Amazon Elastic Transcoder finishes a job
body: <p>I wanted to know if there is an option to trigger a URL call per specific video Id when Amazon Elastic transcoder finishes a transcoding job.</p>
  
  <p>Right now, I can create an SNS topic and assign it to the "<em>On Completion Event</em>". This SNS topic can be a call to a specific URL for example. </p>
  
  <p>My problem is that I can't figure out the proper way to implement it in code (<strong>using AWS SDK for .NET</strong>) to call a page with a query string and unique ID that will tell the server which specific video that was transcoded is ready.</p>
  
  <p><strong>My current solution that I was thinking to implement:</strong>
  What I was thinking is to create a unique pipepline and unique SNS topic for each video that is uploaded.</p>
  
  <p>Is there a better way to implement this. Again, I need to know when a specific video is finished the encoding process and ready to be downloaded. If I have a unique id attached to the SNS topic URL call, I will be able to know if that video is ready. However, creating a lot of SNS topics and piplines seems a weird way to do this, and I am searching a better way to do it.</p>
  
  <p>Another option that I was thinking and I don't know if it's possible, is to create the pipline without any notifications (I know that they are optional), but when I run a job via a specific pipline, then to assign a new SNS topic for the "On Completion" event.</p>