Wyo. Stat. § 1-15-302: Affidavit.

(a) When delivery is claimed, the plaintiff shall file with the court an affidavit stating:

(i) A description of the property claimed;

(ii) The plaintiff is the owner of the property or has a special ownership or interest in it, stating the facts in relation to it, and that he is entitled to the possession of it;

(iii) The property is wrongfully detained by the adverse party;

(iv) The alleged cause of the detention of the property according to the best knowledge, information and belief of the affiant;

(v) The property has not been taken for a tax, assessment or fine pursuant to a statute, or seized under an execution or an attachment against the property of the plaintiff, or if so seized, that it is by statute exempt from seizure; and

(vi) The actual value of the property.