---
title: CMClockGetTypeID()
framework: coremedia
role: symbol
role_heading: Function
path: coremedia/cmclockgettypeid()
---

# CMClockGetTypeID()

Returns the core foundation type identifier of a clock type.

## Declaration

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

## See Also

### Data Types

- [CMClock](coremedia/cmclock.md)
- [CMClockOrTimebase](coremedia/cmclockortimebase.md)