protected void createDuoFlowStartActions(final DuoSecurityMultifactorAuthenticationProperties properties,
                                             final DynamicFlowModelBuilder modelBuilder) {
        val starts = new ArrayList<AbstractActionModel>(1);
        starts.add(new EvaluateModel(CasWebflowConstants.ACTION_ID_INITIAL_FLOW_SETUP));
        modelBuilder.setOnStartActions(starts);
    }
This is {@link DuoSecurityMultifactorWebflowConfigurer}.

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