Expert witness discovery is governed by Oklahoma’s Rules of Civil Procedure, § 3226. OKLA. STAT. tit. 12, § 3226 (2017). This rule allows discovery into the compensation that is to be paid to the expert for its testimony. Id. In regard to the disclosure of other financial information, the trial court is given discretion whether to allow other discovery requests or not. Stout v. State, 693 P.2d 617 (Okla. Crim. App. 1984).