# App,Nav,navBar from ionic/angular In Ionic 4

**URL:** <https://forum.ionicframework.com/t/app-nav-navbar-from-ionic-angular-in-ionic-4/172582>\
**Category:** ionic-v3\
**Created:** [September 5, 2019, 2:18pm UTC](https://forum.ionicframework.com/t/app-nav-navbar-from-ionic-angular-in-ionic-4/172582 "2019-09-05T14:18:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![anton\_klochko](https://avatars.discourse-cdn.com/v4/letter/a/d78d45/32.png) [@anton\_klochko](https://forum.ionicframework.com/u/anton_klochko)\
**Post date:** [September 5, 2019, 2:18pm UTC](https://forum.ionicframework.com/t/app-nav-navbar-from-ionic-angular-in-ionic-4/172582/1 "2019-09-05T14:18:27Z")

</div>

Hi all ! Could anyone suggest please … if exist App,Nav,navBar modules in Ionic 4 ? If exist any alternative ?  
I can not found property ‘backButtonClick’ , has no exported member ‘Navbar’, has no exported member ‘App’, has no exported member ‘Nav’.