---
title: numberOfColumns
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nstableview/numberofcolumns
---

# numberOfColumns

The number of columns in the table.

## Declaration

```swift
var numberOfColumns: Int { get }
```

## Discussion

Discussion The value in this property includes table columns that are currently hidden.

## See Also

### Table Dimensions

- [numberOfRows](appkit/nstableview/numberofrows.md)