---
title: exclusive
framework: os
role: symbol
role_heading: Type Property
path: os/ossignpostid/exclusive
---

# exclusive

A signpost identifier that indicates no overlap among different signpost time intervals.

## Declaration

```swift
static let exclusive: OSSignpostID
```

## See Also

### Getting Signpost Identifiers

- [invalid](os/ossignpostid/invalid.md)
- [null](os/ossignpostid/null.md)