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# CFUUIDCreateFromUUIDBytes(_:_:)

Creates a CFUUID object from raw UUID bytes.

```
func CFUUIDCreateFromUUIDBytes(_ alloc: CFAllocator!, _ bytes: CFUUIDBytes) -> CFUUID!
```

## Parameters

`alloc`

The allocator to use to allocate memory for the new CFUUID object. Pass `NULL` or [`kCFAllocatorDefault`](/documentation/CoreFoundation/kCFAllocatorDefault) to use the current default allocator.

`bytes`

Raw UUID bytes to use to create the CFUUID object.

## Return Value

A new CFUUID object. Ownership follows the [The Create Rule](https://developer.apple.com/library/archive/documentation/CoreFoundation/Conceptual/CFMemoryMgmt/Concepts/Ownership.html#//apple_ref/doc/uid/20001148-103029).

## Discussion

---

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