---
title: kCMIOSampleBufferAttachmentKey_ClientSequenceID
framework: Core Media I/O
role: symbol
role_heading: Global Variable
platforms: [Mac Catalyst 13.0+, macOS 10.8+]
path: coremediaio/kcmiosamplebufferattachmentkey_clientsequenceid
---

# kCMIOSampleBufferAttachmentKey_ClientSequenceID

## Declaration

```occ
extern CFStringRef kCMIOSampleBufferAttachmentKey_ClientSequenceID;
```

## See Also

### Constants

- [kCMIOBlockBufferAttachmentKey_CVPixelBufferReference](coremediaio/kcmioblockbufferattachmentkey_cvpixelbufferreference.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorFrameRect](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorframerect.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorIsDrawnInFramebuffer](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorisdrawninframebuffer.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorIsVisible](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorisvisible.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorPositionX](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorpositionx.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorPositionY](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorpositiony.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorReference](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorreference.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorScale](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorscale.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_CursorSeed](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_cursorseed.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_KeyboardModifiers](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_keyboardmodifiers.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_KeyboardModifiersEvent](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_keyboardmodifiersevent.md)
- [kCMIOSampleBufferAttachment_MouseAndKeyboardModifiersKey_MouseButtonState](coremediaio/kcmiosamplebufferattachment_mouseandkeyboardmodifierskey_mousebuttonstate.md)
- [kCMIOSampleBufferAttachmentKey_CAAudioTimeStamp](coremediaio/kcmiosamplebufferattachmentkey_caaudiotimestamp.md)
- [kCMIOSampleBufferAttachmentKey_ClosedCaptionSampleBuffer](coremediaio/kcmiosamplebufferattachmentkey_closedcaptionsamplebuffer.md)
- [kCMIOSampleBufferAttachmentKey_DiscontinuityFlags](coremediaio/kcmiosamplebufferattachmentkey_discontinuityflags.md)