<!--
{
  "availability" : [
    "iOS: 14.0.0 - 27.0.0",
    "iPadOS: 14.0.0 - 27.0.0",
    "macCatalyst: 14.0.0 - 27.0.0",
    "macOS: 11.0.0 - 27.0.0",
    "tvOS: 14.0.0 - 27.0.0",
    "visionOS: 1.0.0 - 27.0.0",
    "watchOS: 7.0.0 - 27.0.0"
  ],
  "documentType" : "symbol",
  "framework" : "SwiftUI",
  "identifier" : "/documentation/SwiftUI/PreviewContextKey/Value",
  "metadataVersion" : "0.1.0",
  "role" : "Associated Type",
  "symbol" : {
    "kind" : "Associated Type",
    "modules" : [
      "SwiftUI"
    ],
    "preciseIdentifier" : "s:7SwiftUI17PreviewContextKeyP5ValueQa"
  },
  "title" : "Value"
}
-->

# Value

The type of the value returned by the key.

```
associatedtype Value
```

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)