Alaska Stat. § 09.45.940

In an action affecting the title to or the right of possession of real property, the plaintiff at the time of filing the complaint, or afterwards, and the defendant, when affirmative relief is claimed, at the time of filing the answer, or afterwards, may record in the office of the recorder of the recording district in which the property is situated a notice of the pendency of the action, containing the names of the parties, and the object of the action or defense, and a description of the property affected in that district. From the time of recording the notice, a purchaser, holder of a contract or option to purchase, or encumbrancer of the property affected has constructive notice of the pendency of the action and of its pendency against parties designated by their real names.