---
title: primarySidebarTrackingSeparatorItemIdentifier
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nstoolbaritem/identifier/primarysidebartrackingseparatoritemidentifier
---

# primarySidebarTrackingSeparatorItemIdentifier

The identifier for a toolbar item that displays a tracking separator aligned with the primary divider in a split view.

## Declaration

```swift
static let primarySidebarTrackingSeparatorItemIdentifier: NSToolbarItem.Identifier
```

## Discussion

Discussion The item’s tracking separator visually aligns itself with the first divider of a vertical split view in the same window.

## See Also

### Getting the standard item identifiers

- [space](appkit/nstoolbaritem/identifier/space.md)
- [flexibleSpace](appkit/nstoolbaritem/identifier/flexiblespace.md)
- [cloudSharing](appkit/nstoolbaritem/identifier/cloudsharing.md)
- [print](appkit/nstoolbaritem/identifier/print.md)
- [showColors](appkit/nstoolbaritem/identifier/showcolors.md)
- [showFonts](appkit/nstoolbaritem/identifier/showfonts.md)
- [toggleSidebar](appkit/nstoolbaritem/identifier/togglesidebar.md)
- [sidebarTrackingSeparator](appkit/nstoolbaritem/identifier/sidebartrackingseparator.md)
- [supplementarySidebarTrackingSeparatorItemIdentifier](appkit/nstoolbaritem/identifier/supplementarysidebartrackingseparatoritemidentifier.md)
- [inspectorTrackingSeparator](appkit/nstoolbaritem/identifier/inspectortrackingseparator.md)
- [toggleInspector](appkit/nstoolbaritem/identifier/toggleinspector.md)