---
title: firmwareVersion
framework: dockkit
role: symbol
role_heading: Instance Property
path: dockkit/dockaccessory/firmwareversion
---

# firmwareVersion

The firmware version of the dock accessory.

## Declaration

```swift
final var firmwareVersion: String? { get }
```

## Discussion

Discussion The format of the version is major, minor, and revision, separated by periods.

## See Also

### Getting accessory information

- [hardwareModel](dockkit/dockaccessory/hardwaremodel.md)
- [identifier](dockkit/dockaccessory/identifier-swift.property.md)
- [DockAccessory.Identifier](dockkit/dockaccessory/identifier-swift.struct.md)
- [DockAccessory.Category](dockkit/dockaccessory/category.md)
- [DockAccessory.State](dockkit/dockaccessory/state.md)
- [DockAccessory.StateChange](dockkit/dockaccessory/statechange.md)
- [DockAccessory.StateChanges](dockkit/dockaccessory/statechanges.md)