(Optional) Separate multiple expand queries using comma (ex: expand=analytics,userId). Pass expand=analytics to return analytics for each snippet. Pass expand=userId on the querystring to expand this to include the email of the owner. Pass expand=snippetId to retrieve your snippets' snippet tag IDs - set as an object on the snippet's _id field like { _id: { _id: <snippet ID>, tagId: <snippet tag ID> }, ... <other snippet document fields> }.
