---
title: postbackURL
framework: storekittest
role: symbol
role_heading: Instance Property
path: storekittest/skadtestpostback/postbackurl
---

# postbackURL

A URL on your server where the testing environment sends test postbacks.

## Declaration

```swift
var postbackURL: String { get }
```

## Discussion

Discussion The testing environment sends the test postback to the postbackURL when you call flushPostbacks(responses:). note: Ensure that your test server is running and accepting connections before calling flushPostbacks(responses:).