[Home](./index.md) > [@snowplow/node-tracker](./node-tracker.md) > [EcommerceTransactionEvent](./node-tracker.ecommercetransactionevent.md) > [shipping](./node-tracker.ecommercetransactionevent.shipping.md) ## EcommerceTransactionEvent.shipping property The amount of shipping costs for this transaction Signature: ```typescript shipping?: number; ```