---
title: uuid
framework: vision
role: symbol
role_heading: Instance Property
path: vision/visionobservation/uuid
---

# uuid

A unique alphanumeric value that the framework assigns the observation.

## Declaration

```swift
var uuid: UUID { get }
```

## See Also

### Inspecting an observation

- [confidence](vision/visionobservation/confidence.md)
- [description](vision/visionobservation/description.md)
- [originatingRequestDescriptor](vision/visionobservation/originatingrequestdescriptor.md)
- [RequestDescriptor](vision/requestdescriptor.md)
- [timeRange](vision/visionobservation/timerange.md)