Examples of affidavit?

There are MANY types of affidavits. The following definition will apply to criminal law;

An affidavit is a statement of facts which is sworn to (or affirmed) before the court. The person making the signed statement (affiant) takes an oath that the contents are, to the best of their knowledge and belief, true. It is then signed by the judicial officer that can administer oaths, affirming that the person signing the affidavit was under oath when doing so.