myBackFunction(step) {
        // return CustomWizard.self.$timeout(() => {
           // alert('myBackFunction');
           //console.log("Custom backCallback called...", step)
           let formData = step.wizardData.formData;
           //WizardCtrl.self.backDisabled = false
           return true;
           // if (formData.inputval1 == '')
           //     return true;
           // else 
           //     return false;
        // }, 2000);
    }