---
title: CFNumberGetTypeID()
framework: corefoundation
role: symbol
role_heading: Function
path: corefoundation/cfnumbergettypeid()
---

# CFNumberGetTypeID()

Returns the type identifier for the CFNumber opaque type.

## Declaration

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

## Return Value

Return Value The type identifier for the CFNumber opaque type.