---
title: weight
framework: speech
role: symbol
role_heading: Instance Property
path: speech/sfspeechlanguagemodel/configuration/weight
---

# weight

The relative weight of the language model customization. Value must be between 0.0 and 1.0 inclusive.

## Declaration

```swift
@NSCopying var weight: NSNumber? { get }
```

## See Also

### Inspecting a language model

- [languageModel](speech/sfspeechlanguagemodel/configuration/languagemodel.md)
- [vocabulary](speech/sfspeechlanguagemodel/configuration/vocabulary.md)