shopify/orders/objects/line_item.py
def product_id(self):
        """
        The unique numeric identifier for the product in the fulfillment.
        :return:
        """
        return self._dict.get('product_id')

        The unique numeric identifier for the product in the fulfillment.
        :return:
        
The unique numeric identifier for the product in the fulfillment.
The unique numeric identifier for the product in the fulfillment .
def product_id(self):
        return self._dict.get('product_id')
def product_id ( self ) : return self . _dict . get ( 'product_id' )
The unique numeric identifier for the product in the fulfillment.
The unique numeric identifier for the product in the fulfillment .
"""
        The unique numeric identifier for the product in the fulfillment.
        :return:
        """
None
self