Mo. Rev. Stat. § 535.150
Current with changes from the 2023 Legislative Session
If, upon the trial of such action, it is proved, or, upon judgment by default, it appear to the court, by affidavit, that the plaintiff had a right to commence such action according to the provisions of this chapter, he shall have judgment to recover the possession of the demised premises and costs.
§ 535.150, RSMo
RSMo 1939 § 2982