---
title: SecTransformGetTypeID()
framework: security
role: symbol
role_heading: Function
path: security/sectransformgettypeid()
---

# SecTransformGetTypeID()

Returns the unique identifier of the opaque type to which a security transform object belongs.

## Declaration

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

## Return Value

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