---
title: totalTokenCount
framework: foundationmodels
role: symbol
role_heading: Instance Property
path: foundationmodels/languagemodelsession/usage-swift.struct/totaltokencount
---

# totalTokenCount

The total number of tokens involved in this generation, equal to input.totalTokenCount + output.totalTokenCount.

## Declaration

```swift
var totalTokenCount: Int { get }
```

## See Also

### Updating the usage

- [input](foundationmodels/languagemodelsession/usage-swift.struct/input-swift.property.md)
- [LanguageModelSession.Usage.Input](foundationmodels/languagemodelsession/usage-swift.struct/input-swift.struct.md)
- [output](foundationmodels/languagemodelsession/usage-swift.struct/output-swift.property.md)
- [LanguageModelSession.Usage.Output](foundationmodels/languagemodelsession/usage-swift.struct/output-swift.struct.md)
- [metadata](foundationmodels/languagemodelsession/usage-swift.struct/metadata.md)