code: def on_config(self, config):
          "Fetch the variables and functions"
          #print("Here is the config:", config)
  
          # fetch variables from YAML file:
          self._variables = config.get(YAML_SUBSET)
  
          # add variables and functions from the module:
          module_reader.load_variables(self._variables, config)
  
          print("Variables:", self.variablesf on_config(self, config):
          "Fetch the variables and functions"
          #print("Here is the config:", config)
  
          # fetch variables from YAML file:
          self._variables = config.get(YAML_SUBSET)
  
          # add variables and functions from the module:
          module_reader.load_variables(self._variables, config)
  
          print("Variables:", self.variables)
docs: Fetch the variables and functions