object

Matches the ID number of the object.

node

Matches the ID number of the node.

parent_node

Matches the ID number of the parent node.

class

Matches the ID number of the class which the object is an instance of.

class_identifier

Matches the identifier of the class which the object is an instance of.

depth

Matches the depth of the node. The depth of a top level node is 1.

navigation_part_identifier

Matches the identifier of the navigation part.

url_alias

Matches the virtual URL of the node.