---
title: metric
framework: evaluations
role: symbol
role_heading: Instance Property
path: evaluations/scoredimension/metric
---

# metric

A metric identifier derived from this dimension’s name.

## Declaration

```swift
var metric: Metric { get }
```

## Discussion

Discussion Use this to reference the dimension’s metric in MetricsAggregator without repeating the name as a raw string: let relevance = ScoreDimension("Relevance", scale: .numeric([...])) aggregator.computeMean(of: relevance.metric)