void addTestingSingleTagData() {
    // Define the initial/home route name as the main screen, 
    // in the example it is MainPage
    R89SDK.singleTagConfiguration.initialRouteName = '/'
    // Configure the main screen with ad placements
    R89SDK.singleTagConfiguration.addAdScreenConfig(
        adScreenConfig: AdScreenConfig(screenName: '/')
          // Add a banner inside the wrapper with the tag 'main_page_bottom_ad_container'
          ..addBanner(
                tag: 'main_page_bottom_ad_container',
                getAllWithTag: false, // Only place ad usein the first taggedR89Tag wrapper in "/" the screen, 
                                      // in case there are multiple R89Tags with the same tag: available on the same screen.
                wrapperRelativePositionAfter: true, // Place the ad afterbelow the child of R89Tag(child:...)
          )
          // TriggerTriggers an interstitial when transitioning from "MainPage" ("/") to "NewsPostDetailPage"
          ..addInterstitial(eventToTrack: 'NewsPostDetailPage')
          // TriggerTriggers an interstitial when a child of R89Tag(tag:'play_video_trailer_tag',child:...) is pressed
          ..addInterstitial(eventToTrackButton: 'play_video_trailer_tag')
    );
}