parameters: (self)
docstring: Return string, or none if no string entered yet
docstring_summary: Return string, or none if no string entered yet
docstring_tokens: Return string or none if no string entered yet
function: def evaluate(self):
          """ Return string, or none if no string entered yet
          """
          p = self.get_parameters()
          if "id" in p:
              return p["id"]
          else:
              return None
function_tokens: def evaluate ( self ) : p = self . get_parameters ( ) if "id" in p : return p [ "id" ] else : return None