---
title: "init(identifier:keyIdentifier:nonce:signature:timestamp:)"
framework: storekit
role: symbol
role_heading: Initializer
path: "storekit/skpaymentdiscount/init(identifier:keyidentifier:nonce:signature:timestamp:)"
---

# init(identifier:keyIdentifier:nonce:signature:timestamp:)

Initializes the payment discount with a signature and the parameters used by the signature.

## Declaration

```swift
init(identifier: String, keyIdentifier: String, nonce: UUID, signature: String, timestamp: NSNumber)
```