Load the specified key to find and build the first item with the
specified tag and attrs. If no tag or attrs are specified then
the first item in the result set is returned.
Path in Plex to fetch items from. If an int is passed
in, the key will be translated to /library/metadata/. This allows
fetching an item only knowing its key-id.
Load the specified key to find and build the first item with the specified tag and attrs. If no tag or attrs are specified then the first item in the result set is returned.