Okla. Stat. tit. 59, § 59-1925.12: Alimony or divorce actions - Custody actions -

Testimony by therapist.

If both parties to a marriage have obtained marital and family

therapy by a licensed marital and family therapist, the therapist

shall not be competent to testify in an alimony or divorce action

concerning information acquired in the course of the therapeutic

relationship unless a party relies on such information as an element

of his claim or defense in such an action, or said information is

gathered as a result of a court-ordered examination. This section

shall not apply to custody actions.