---
title: kAudioComponentInstanceInvalidationNotification
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudiocomponentinstanceinvalidationnotification
---

# kAudioComponentInstanceInvalidationNotification

## Declaration

```swift
let kAudioComponentInstanceInvalidationNotification: CFString
```

## See Also

### Constants

- [kAudioComponentConfigurationInfo_ValidationResult](audiotoolbox/kaudiocomponentconfigurationinfo_validationresult.md)
- [kAudioComponentRegistrationsChangedNotification](audiotoolbox/kaudiocomponentregistrationschangednotification.md)
- [kAudioComponentValidationParameter_ForceValidation](audiotoolbox/kaudiocomponentvalidationparameter_forcevalidation.md)
- [kAudioComponentValidationParameter_TimeOut](audiotoolbox/kaudiocomponentvalidationparameter_timeout.md)