---
title: FSEventStreamCreateFlags
framework: Core Services
role: symbol
role_heading: Type Alias
platforms: [Mac Catalyst 13.0+, macOS 10.5+]
path: coreservices/fseventstreamcreateflags
---

# FSEventStreamCreateFlags

## Declaration

```swift
typealias FSEventStreamCreateFlags = UInt32
```

## Discussion

Discussion Flags that can be passed to the FSEventStreamCreate...() functions to modify the behavior of the stream being created.