@Override
    protected Event doExecuteInternal(final RequestContext requestContext) throws Throwable {
        return duoAuthenticationWebflowEventResolver.resolveSingle(requestContext);
    }
This is {@link DuoSecurityAuthenticationWebflowAction}.

@author Misagh Moayyed
@since 5.0.0
support/cas-server-support-duo-core/src/main/java/org/apereo/cas/adaptors/duo/web/flow/action/DuoSecurityAuthenticationWebflowAction.java