---
title: "MusicSequenceFileLoad(_:_:_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/musicsequencefileload(_:_:_:_:)"
---

# MusicSequenceFileLoad(_:_:_:_:)

Loads data into a music sequence from a URL reference.

## Declaration

```swift
func MusicSequenceFileLoad(_ inSequence: MusicSequence, _ inFileRef: CFURL, _ inFileTypeHint: MusicSequenceFileTypeID, _ inFlags: MusicSequenceLoadFlags) -> OSStatus
```

## Parameters

- `inSequence`: The music sequence to load the data into.
- `inFileRef`: A file:// URL pointing to a file that contains the data to load.
- `inFileTypeHint`: Provides a hint to the system about the file type referenced by the inFileRef parameter.
- `inFlags`: Flags that specify how the data should be parsed, and how it should be assigned to tracks. See doc://com.apple.audiotoolbox/documentation/AudioToolbox/MusicSequenceLoadFlags.

## Return Value

Return Value A result code.

## See Also

### Managing Music Sequences

- [NewMusicSequence(_:)](audiotoolbox/newmusicsequence(_:).md)
- [DisposeMusicSequence(_:)](audiotoolbox/disposemusicsequence(_:).md)
- [MusicSequenceBarBeatTimeToBeats(_:_:_:)](audiotoolbox/musicsequencebarbeattimetobeats(_:_:_:).md)
- [MusicSequenceBeatsToBarBeatTime(_:_:_:_:)](audiotoolbox/musicsequencebeatstobarbeattime(_:_:_:_:).md)
- [MusicSequenceDisposeTrack(_:_:)](audiotoolbox/musicsequencedisposetrack(_:_:).md)
- [MusicSequenceFileCreate(_:_:_:_:_:)](audiotoolbox/musicsequencefilecreate(_:_:_:_:_:).md)
- [MusicSequenceFileCreateData(_:_:_:_:_:)](audiotoolbox/musicsequencefilecreatedata(_:_:_:_:_:).md)
- [MusicSequenceFileLoadData(_:_:_:_:)](audiotoolbox/musicsequencefileloaddata(_:_:_:_:).md)
- [MusicSequenceGetAUGraph(_:_:)](audiotoolbox/musicsequencegetaugraph(_:_:).md)
- [MusicSequenceGetBeatsForSeconds(_:_:_:)](audiotoolbox/musicsequencegetbeatsforseconds(_:_:_:).md)
- [MusicSequenceGetIndTrack(_:_:_:)](audiotoolbox/musicsequencegetindtrack(_:_:_:).md)
- [MusicSequenceGetInfoDictionary(_:)](audiotoolbox/musicsequencegetinfodictionary(_:).md)
- [MusicSequenceGetSMPTEResolution(_:_:_:)](audiotoolbox/musicsequencegetsmpteresolution(_:_:_:).md)
- [MusicSequenceGetSecondsForBeats(_:_:_:)](audiotoolbox/musicsequencegetsecondsforbeats(_:_:_:).md)
- [MusicSequenceGetSequenceType(_:_:)](audiotoolbox/musicsequencegetsequencetype(_:_:).md)