Shared links provide direct, read-only access to files or folder on Box.
Shared links with open access level allow anyone with the URL
to access the item, while shared links with company or collaborators access
levels can only be accessed by appropriately authenticated Box users.
The access level for this shared link.
open - provides access to this item to anyone with this link
company - only provides access to this item to people the same company
collaborators - only provides access to this item to people who are
collaborators on this item
If this field is omitted when creating the shared link, the access level
will be set to the default access level specified by the enterprise admin.
Value is one of "open", "company", "collaborators"
The number of times this item has been downloaded.