---
title: streamSinkEndOfData
framework: coremediaio
role: symbol
role_heading: Type Property
path: coremediaio/cmioextensionproperty/streamsinkendofdata
---

# streamSinkEndOfData

A property key for a Boolean value that indicates whether the stream has more data.

## Declaration

```swift
static let streamSinkEndOfData: CMIOExtensionProperty
```

## Discussion

Discussion The property state for this property is a number that represents a Boolean value: 1 indicates the stream is at its end, and 0 indicates that more data exists. The value of this property matches the kCMIOStreamPropertyEndOfData property.

## See Also

### Stream Properties

- [streamActiveFormatIndex](coremediaio/cmioextensionproperty/streamactiveformatindex.md)
- [streamFrameDuration](coremediaio/cmioextensionproperty/streamframeduration.md)
- [streamMaxFrameDuration](coremediaio/cmioextensionproperty/streammaxframeduration.md)
- [streamSinkBufferQueueSize](coremediaio/cmioextensionproperty/streamsinkbufferqueuesize.md)
- [streamSinkBuffersRequiredForStartup](coremediaio/cmioextensionproperty/streamsinkbuffersrequiredforstartup.md)
- [streamSinkBufferUnderrunCount](coremediaio/cmioextensionproperty/streamsinkbufferunderruncount.md)