---
title: "MIDIObjectSetStringProperty(_:_:_:)"
framework: coremidi
role: symbol
role_heading: Function
path: "coremidi/midiobjectsetstringproperty(_:_:_:)"
---

# MIDIObjectSetStringProperty(_:_:_:)

Sets an object’s string-type property.

## Declaration

```swift
func MIDIObjectSetStringProperty(_ obj: MIDIObjectRef, _ propertyID: CFString, _ str: CFString) -> OSStatus
```

## Parameters

- `obj`: The object to update.
- `propertyID`: The name of the property to set.
- `str`: The new property value.

## Return Value

Return Value An OSStatus result code.

## Discussion

Discussion See MIDIObjectRef for information about properties.

## See Also

### Property Accessors

- [MIDIObjectGetProperties(_:_:_:)](coremidi/midiobjectgetproperties(_:_:_:).md)
- [MIDIObjectRemoveProperty(_:_:)](coremidi/midiobjectremoveproperty(_:_:).md)
- [MIDIObjectGetStringProperty(_:_:_:)](coremidi/midiobjectgetstringproperty(_:_:_:).md)
- [MIDIObjectGetIntegerProperty(_:_:_:)](coremidi/midiobjectgetintegerproperty(_:_:_:).md)
- [MIDIObjectSetIntegerProperty(_:_:_:)](coremidi/midiobjectsetintegerproperty(_:_:_:).md)
- [MIDIObjectGetDataProperty(_:_:_:)](coremidi/midiobjectgetdataproperty(_:_:_:).md)
- [MIDIObjectSetDataProperty(_:_:_:)](coremidi/midiobjectsetdataproperty(_:_:_:).md)
- [MIDIObjectGetDictionaryProperty(_:_:_:)](coremidi/midiobjectgetdictionaryproperty(_:_:_:).md)
- [MIDIObjectSetDictionaryProperty(_:_:_:)](coremidi/midiobjectsetdictionaryproperty(_:_:_:).md)