---
title: revisionLevel
framework: coremidi
role: symbol
role_heading: Instance Property
path: coremidi/midicideviceidentification/revisionlevel
---

# revisionLevel

The revision number of the device model number.

## Declaration

```swift
var revisionLevel: (UInt8, UInt8, UInt8, UInt8)
```

## Discussion

Discussion This value is 2 bytes long.

## See Also

### Configuring Device Identification

- [manufacturer](coremidi/midicideviceidentification/manufacturer.md)
- [modelNumber](coremidi/midicideviceidentification/modelnumber.md)
- [family](coremidi/midicideviceidentification/family.md)
- [reserved](coremidi/midicideviceidentification/reserved.md)