Update Customer ID
Updates a *Cartʼs* `customer_id`. **Notes** Changing the *Cart* `customer_id` will remove any promotions or shipping calculations on the *Cart*. These are tied to the customer depending on cart conditions and any customer groups.
Updates a *Cartʼs* `customer_id`. **Notes** Changing the *Cart* `customer_id` will remove any promotions or shipping calculations on the *Cart*. These are tied to the customer depending on cart conditions and any customer groups.