code: def place_limit_order(self,
                          side,
                          price,
                          size,
                          product_id='BTC-USD',
                          client_oid=None,
                          stp=None,
                          time_in_force=None,
                          cancel_after=None,
                          post_only=None):
      
      return self._place_order(side,
                               product_id=product_id,
                               client_oid=client_oid,
                               type='limit',
                               stp=stp,
                               price=price,
                               size=size,
                               time_in_force=time_in_force,
                               cancel_after=cancel_after,
                               post_only=post_only)
docs: `<https://docs.exchange.coinbase.com/#orders>`_