Mass. Gen. Laws ch. 244, § 3: Declaration by mortgagees; conditional judgment

Section 3. The mortgagee in an action for possession may declare on his own seisin, stating that it is in mortgage; and if the court finds upon verdict or otherwise that the plaintiff is entitled to possession of the land for breach of condition, it shall upon motion of either party, except as provided in the following section, award a conditional judgment.