---
title: "init(_:description:scale:)"
framework: evaluations
role: symbol
role_heading: Initializer
path: "evaluations/scoredimension/init(_:description:scale:)"
---

# init(_:description:scale:)

Creates a scoring dimension.

## Declaration

```swift
init(_ name: String, description: String? = nil, scale: ScoringScale)
```

## Parameters

- `name`: The dimension name, used as the DataFrame column name and for aggregation lookup.
- `description`: Optional description providing context about what this dimension measures.
- `scale`: The scoring scale for this dimension.