[Home](./index.md) > [@snowplow/node-tracker](./node-tracker.md) > [EcommerceTransactionItemEvent](./node-tracker.ecommercetransactionitemevent.md) > [currency](./node-tracker.ecommercetransactionitemevent.currency.md) ## EcommerceTransactionItemEvent.currency property The currency of the product for the transaction Signature: ```typescript currency?: string; ```