---
title: "indexOfTabViewItem(withIdentifier:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nstabview/indexoftabviewitem(withidentifier:)"
---

# indexOfTabViewItem(withIdentifier:)

Returns the index of the item that matches the specified identifier or NSNotFound if the item is not found.

## Declaration

```swift
func indexOfTabViewItem(withIdentifier identifier: Any) -> Int
```

## Parameters

- `identifier`: The identifier of a tab view item.

## Return Value

Return Value The zero-based index of the tab view item corresponding to identifier, or NSNotFound if the item is not found.

## Discussion

Discussion The returned index is zero-based.

## See Also

### Related Documentation

- [insertTabViewItem(_:at:)](appkit/nstabview/inserttabviewitem(_:at:).md)

### Accessing Tabs

- [indexOfTabViewItem(_:)](appkit/nstabview/indexoftabviewitem(_:).md)
- [numberOfTabViewItems](appkit/nstabview/numberoftabviewitems.md)
- [tabViewItem(at:)](appkit/nstabview/tabviewitem(at:)-7r3at.md)
- [tabViewItems](appkit/nstabview/tabviewitems.md)