post https://developer.api.us.stg.walmart.com/<order_item_feed event>
This webhook request notifies recipients that the shopper or picker could/could not pick the customer-ordered item in the store/location.
It notifies recipients that the shopper or picker removed the customer-ordered item from the picked items already gathered for the order.
Use of this webhook requires the integrator to provide an endpoint. Webhook events are published to client-provided endpoints.