https://help.okta.com/en-us/content/topics/integrations/oamp-okta-config-okta.htm
Configure MFA FactorMFA Authenticator enrollment in Okta | Okta Classic Engine
Configure MFA for Oracle Access Manager to use OAM as an IdP to provide users with SSO and MFA.
configure mfaauthenticatorenrollmentoktaclassic