text: import alfred3 as al
  from alfred3 import admin
  
  exp = al.Experiment()
  
  
  class MySpectatorPage(admin.SpectatorPage):
  
      def on_exp_access(self):
          self += al.Text("My spectator page")
  
  
  class MyOperatorPage(admin.OperatorPage):
  
      def on_exp_access(self):
          self += al.Text("My operator page")
  
  
  class MyManagerPage(admin.ManagerPage):
  
      def on_exp_access(self):
          self += al.Text("My manager page")
  
  exp.admin += MySpectatorPage(title="Spectator", name="spectator")
  exp.admin += MyOperatorPage(title="Operator", name="operator")
  exp.admin += MyManagerPage(title="Manager", name="manager")
  
  exp += al.Page(title="normal", name="normal")
  
  if __name__ == "__main__":
      exp.run(open_browser=False)