---
title: CFReadStreamGetTypeID()
framework: corefoundation
role: symbol
role_heading: Function
path: corefoundation/cfreadstreamgettypeid()
---

# CFReadStreamGetTypeID()

Returns the type identifier the CFReadStream opaque type.

## Declaration

```swift
func CFReadStreamGetTypeID() -> CFTypeID
```

## Return Value

Return Value The type identifier for the CFReadStream opaque type.