---
title: VTDecompressionSessionGetTypeID()
framework: videotoolbox
role: symbol
role_heading: Function
path: videotoolbox/vtdecompressionsessiongettypeid()
---

# VTDecompressionSessionGetTypeID()

Returns the Core Foundation type identifier for the decompression session.

## Declaration

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

## Return Value

Return Value The CFTypeID of the decompression session object.