parameters: (self, session, custom_expression)
docstring: Parameters:
           - session
           - custom_expression
docstring_summary: Parameters:
           - session
           - custom_expression
docstring_tokens: Parameters : - session - custom_expression
function: def create_custom_expression(self, session, custom_expression):
          """
          Parameters:
           - session
           - custom_expression
  
          """
          pass
function_tokens: def create_custom_expression ( self , session , custom_expression ) : pass