...
Now that you're signed in, make your new collection. From the Audio-Video homepage, click Add New Collection. Fill out all the fields, including a title. Pay close attention to the privacy settings: you'll add group members next. Once you Save, your new collection will open automatically.
Members can contribute to the collection. If you've made the collection private, they are the only ones who can see resources. Click Members from the collection page, then Add People. You can then enter the computing ids of your contributors. Make sure they have logged into Mandala at least once, otherwise, they won't be in the database.
...