docs: def execute(self, eopatch, data):
          """Returns the EOPatch with added features.
  
          :param eopatch: input EOPatch
          :type eopatch: EOPatch
          :param data: data to be added to the feature
          :type data: object
          :return: input EOPatch with the specified feature
          :rtype: EOPatch
          """
          if self.feature_name is None:
              eopatch[self.feature_type] = data
          else:
              eopatch[self.feature_type][self.feature_name] = data
  
          return eopatch