To add a new Amazon S3 service click the Add new Amazon S3 service button and fill in the fields.
You will be required to enter a service name, an amazon access key, amazon secret.
You will have to also specify a folder name, an amazon bucket name, and a region where all your files will be stored.
Contact your system administrator in order to obtain this information.
Always test the connection before Add-ing the new service otherwise uploaded files will not be mirrored on your S3 bucket.