How to set up delivery selection depending on the availability of goods in a particular warehouse?

Question

1C-Bitrix

There are three warehouses. Accordingly, the goods are in stock if they are in at least one of the warehouses. Pickup from the warehouse is free. The task is next. It is necessary to make sure that if the order goes to a warehouse, for example, Moscow , but this product is not there, but it is in St. Petersburg , for example, then pickup should not be free, but 100 rubles .
When creating a delivery service, it is not possible to bring goods to the presence. Are there any options how to solve this? This is required on the checkout page. Made on the standard component bitrix:sale.order.ajax . Bitrix version 18.1.8

Answer 1

Write your delivery service. https://mrcappuccino.ru/blog/post/delivery-handler...