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# SFSpeechLanguageModel

A language model built from custom training data.

```
class SFSpeechLanguageModel
```

## Overview

Create this object using [`prepareCustomLanguageModel(for:configuration:completion:)`](/documentation/Speech/SFSpeechLanguageModel/prepareCustomLanguageModel(for:configuration:completion:)) or [`prepareCustomLanguageModel(for:configuration:ignoresCache:completion:)`](/documentation/Speech/SFSpeechLanguageModel/prepareCustomLanguageModel(for:configuration:ignoresCache:completion:)).

## Topics

### Creating a custom language model

[`prepareCustomLanguageModel(for:configuration:completion:)`](/documentation/Speech/SFSpeechLanguageModel/prepareCustomLanguageModel(for:configuration:completion:))

Creates a language model from custom training data.

[`prepareCustomLanguageModel(for:configuration:ignoresCache:completion:)`](/documentation/Speech/SFSpeechLanguageModel/prepareCustomLanguageModel(for:configuration:ignoresCache:completion:))

Creates a language model from custom training data.

[`SFSpeechLanguageModel.Configuration`](/documentation/Speech/SFSpeechLanguageModel/Configuration)

An object describing the location of a custom language model and specialized vocabulary.


---

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