code: def render_request(self):
          
  
          data = forms_xso.Data(type_=forms_xso.DataType.FORM)
  
          try:
              layout = self.LAYOUT
          except AttributeError:
              layout = list(self.DESCRIPTORS)
  
          my_form_type = getattr(self, "FORM_TYPE", None)
          if my_form_type is not None:
              field_xso = forms_xso.Field()
              field_xso.var = "FORM_TYPE"
              field_xso.type_ = forms_xso.FieldType.HIDDEN
              field_xso.values[:] = [my_form_type]
              data.fields.append(field_xso)
  
          for item in layout:
              if isinstance(item, str):
                  field_xso = forms_xso.Field()
                  field_xso.type_ = forms_xso.FieldType.FIXED
                  field_xso.values[:] = [item]
              else:
                  field_xso = item.__get__(
                      self, type(self)
                  ).render()
              data.fields.append(field_xso)
  
          return data
docs: Create a :class:`Data` object containing all fields known to the
          :class:`Form`. If the :class:`Form` has a :attr:`LAYOUT` attribute, it
          is used during generation.