Check which url is opened in custom chrome tabs

Is there any function in chrome custom tabs analogous to onPageStarted of Webview. IN onNavigation.. the bundle is always null

What is open tabs in custom tabs?

Custom Tabs is a browser feature, introduced by Chrome, that is now supported by most major browsers on Android. It gives apps more control over their web experience, and makes transitions between native and web content more seamless without having to resort to a WebView.

How to Organize Chrome tabs?

Organize your tabs with Chrome tab groupsTo create a tab group, just right-click any tab and select Add tab to new group. Right-click a tab. Click Add Tab to new group. Click New Group or click the name of an existing tab group.

By design this is not possible with Chrome Custom Tabs. You can tell that a user has navigated but you can't tell where they've gone to. See: http://developer.android.com/reference/android/support/customtabs/CustomTabsCallback.html for details of what's possible.