---
title: kCMTimebaseError_MissingRequiredParameter
framework: coremedia
role: symbol
role_heading: Global Variable
path: coremedia/kcmtimebaseerror_missingrequiredparameter
---

# kCMTimebaseError_MissingRequiredParameter

A timebase error that indicates a parameter is missing.

## Declaration

```swift
var kCMTimebaseError_MissingRequiredParameter: OSStatus { get }
```

## See Also

### Timebase Errors

- [kCMTimebaseError_InvalidParameter](coremedia/kcmtimebaseerror_invalidparameter.md)
- [kCMTimebaseError_AllocationFailed](coremedia/kcmtimebaseerror_allocationfailed.md)
- [kCMTimebaseError_TimerIntervalTooShort](coremedia/kcmtimebaseerror_timerintervaltooshort.md)
- [kCMTimebaseError_ReadOnly](coremedia/kcmtimebaseerror_readonly.md)