const routes: Routes = [
  {
    path: 'tabs',
    component: TabsPage,
    children: [
      {
        path: 'tab1',
        children: [
          {
            path: '',
            loadChildren: '../tab1/tab1.module#Tab1PageModule'
          },
          {
            path: 'eventdetails',
            loadChildren: '../eventdetails/eventdetails.module#EventdetailsPageModule'
          },
          {
            path: 'progresspage',
            loadChildren: '../myprogress/myprogress.module#MyprogressPageModule'
          }
        ]
      },
     ]
    },
    {
    path: '',
    redirectTo: '/tabs/tab1',
    pathMatch: 'full'
   }
  ];