See the individual member documentations about special NAP options in use.
It will hide the index leaf from the NAP information unless we are in Autoindex mode. The leaves' title are used as a description within NAP, and the toolbar will contain edit and delete links.
mixedID or GUID of the product group to start from
mixedID or GUID of the product group that should be the last to parse
ArrayContaining arrays of navigation data for each level