When you have completed the steps to set up within Box.com here, you will want to go to Gamma (The Creative Force Web App) and navigate to Studio Setting, under Production Settings, select Post Production.
From there you can click on Add and choose Box.com as the Connection Type.
When you click next you will see a list of options to populate as below. You will want to upload the config.json file you downloaded earlier from Box.com. If your file does not contain the needed info, there will be a small red mark that shows you the details.
Creative Force will automatically test your connection; if that is successful, you can then specify the Upload and Download folders as previously mentioned.
When the folders are set up, you can save your Box connection. Once it is successful, it will appear as below:
Afterward, you can then start using the connector with your post-production vendor!