---
title: quantity
framework: externalpurchaseserverapi
role: symbol
role_heading: Type
path: externalpurchaseserverapi/quantity
---

# quantity

The quantity of the product the customer purchased in a single transaction.

## Declaration

```data
int64 quantity
```

## Discussion

Discussion The quantity field applies only to purchases. Don’t include a quantity for refunds. Set quantity to 1 when a customer purchases a single product. Use a value greater than 1 when someone purchases a multiple of the same product in one transaction. important: Amount values always represent the total amount for the line item, not a per-item amount. The quantity value is not used for calculations. Multiple items may be considered a single product if they are sold as a package. For example, a 10-pack of game gems may be a single product with a quantity of 1. If the productType is SUBSCRIPTION, use a quantity greater than 1 to indicate a purchase of multiple subscriptions that renew as one, for example, a multi-seat subscription. If subscriptions can have different billing dates or renewal schedules, report them as separate line items with a quantity of 1.

## See Also

### Providing product info

- [productIdentifier](externalpurchaseserverapi/productidentifier.md)
- [productType](externalpurchaseserverapi/producttype.md)