---
title: defaultRevision
framework: vision
role: symbol
role_heading: Type Property
path: vision/vnrequest/defaultrevision
---

# defaultRevision

The revision of the latest request for the particular SDK linked with the client application.

## Declaration

```swift
class var defaultRevision: Int { get }
```

## See Also

### Determining the Revision

- [VNRequestRevisionProviding](vision/vnrequestrevisionproviding.md)
- [currentRevision](vision/vnrequest/currentrevision.md)
- [supportedRevisions](vision/vnrequest/supportedrevisions.md)