---
title: smf_ChannelsToTracks
framework: avfaudio
role: symbol
role_heading: Type Property
path: avfaudio/avmusicsequenceloadoptions/smf_channelstotracks
---

# smf_ChannelsToTracks

An option that represents data on different MIDI channels mapped to multiple tracks.

## Declaration

```swift
static var smf_ChannelsToTracks: AVMusicSequenceLoadOptions { get }
```

## Discussion

Discussion The MIDI sequence contains a tempo track, one track for each MIDI channel in the SMF, and one track (the last track) for SysEx and MetaEvents.