Domain is write-only and allows pages on a domain made up of more than one server to share cookie information.

Expires is write-only and is the date on which the cookie expires. Unless a date is specified, the cookie will expire when the session ends. If a date is specified, the cookie will be stored on the client's disk after the session ends.

HasKeys is read-only and uses Boolean values to specify whether the cookie contains keys.

Path is write-only and if set, the cookie is sent by this path. If this argument is not set, the default is the application path.

Secure is write-only and indicates if the cookie is secure.