Routing in tab - ionic-4

hi i’m new to ionic, and i try to make my first app,
i create new app using the tab template,
the only change i made is to add another “detail” page under “home” page
and ion-button on the home.html.
and i want to route to it so it will be a child of home and give me back button to return home on the header.
i try all kind of routing technic but i always get “Cannot match any routes” i try to understand the tab routing and how to config it but no success.
i will be grateful if someone can give me the code for that so i can learn from it.

thank you