---
title: SecACLGetTypeID()
framework: security
role: symbol
role_heading: Function
path: security/secaclgettypeid()
---

# SecACLGetTypeID()

Returns the unique identifier of the opaque type to which an ACL entry belongs.

## Declaration

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

## Return Value

Return Value A value that identifies the opaque type of a SecACL object.

## Discussion

Discussion This function returns a value that uniquely identifies the opaque type of a SecACL instance. You can compare this value to the CFTypeID identifier obtained by calling the CFGetTypeID(_:) method on a specific instance. These values might change from release to release or platform to platform.