When new presentations are added to a folder with automated captioning enabled, Mediasite automatically uploads your content to 3Play Media for captioning.
Upon completion, 3Play Media posts the closed captions back to your Mediasite content.
Follow the steps bellow to enable automated captioning for a folder.

Step 1- Click Manage Content

Right-click the folder to which you want to add the content and then click Manage Content.

Step 2- Select Captioning

From the Manage Content dialog select > Enable Captioning from the Select Content Type drop-down list.

Step 3- Select 3Play Media

Click Caption Provider > 3Play Media 

See more information on setting up 3Play Media as your Caption Provider.

Step 4- Click Enable

To save 3Play Media as your caption provider, click Enable. 
Now when new presentations are added to this folder, the content will be sent to 3Play Media for processing.