---
title: "init(mGetSMPTETimeProc:mRefCon:)"
framework: Core Media I/O
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 13.1+, macOS 10.7+]
path: "coremediaio/cmiodevicesmptetimecallback/init(mgetsmptetimeproc:mrefcon:)"
---

# init(mGetSMPTETimeProc:mRefCon:)

## Declaration

```swift
init(mGetSMPTETimeProc: CMIODeviceGetSMPTETimeProc!, mRefCon: UnsafeMutableRawPointer!)
```