code: def list_views():
      
      echo_header("List of registered views")
      for view in current_app.appbuilder.baseviews:
          click.echo(
              "View:{0} | Route:{1} | Perms:{2}".format(
                  view.__class__.__name__, view.route_base, view.base_permissions
              )
          )
docs: List all registered views