---
title: productIdentifier
framework: externalpurchaseserverapi
role: symbol
role_heading: Type
path: externalpurchaseserverapi/productidentifier
---

# productIdentifier

A string that identifies the product.

## Declaration

```data
string productIdentifier
```

## Discussion

Discussion Maximum length: 256 The product identifier that uniquely identifies the product available in your app.

## See Also

### Providing product info

- [productType](externalpurchaseserverapi/producttype.md)
- [quantity](externalpurchaseserverapi/quantity.md)