<!--
{
  "availability" : [
    "Xcode: 27.0.0 -",
    "iOS: 27.0.0 -",
    "iPadOS: 27.0.0 -",
    "macCatalyst: 27.0.0 -",
    "macOS: 27.0.0 -",
    "visionOS: 27.0.0 -",
    "watchOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Evaluations",
  "identifier" : "/documentation/Evaluations/Metric/doubleValue",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "Evaluations"
    ],
    "preciseIdentifier" : "s:11Evaluations6MetricV11doubleValueSdSgvp"
  },
  "title" : "doubleValue"
}
-->

# doubleValue

The numeric value of this metric.

```
var doubleValue: Double? { get }
```

## Discussion

- `passing` → `1.0`
- `failing` → `0.0`
- `scoring(x)` → `x`
- `ignore` → `nil`

---

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)