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# doubleAction

The message sent to the table view’s target when the user double-clicks a cell or column header.

```
var doubleAction: Selector? { get set }
```

## Discussion

This property stores a selector that corresponds to a method of the following form:

```objc
-(void)myCustomMethod:(id)sender
```

When the user double-clicks a cell or column header, the table calls the specified method of its [`target`](/documentation/AppKit/NSControl/target) object. The default value of this property is nil. If you do not specify a value for this property, the table view begins editing the cell.

The [`clickedRow`](/documentation/AppKit/NSTableView/clickedRow) and [`clickedColumn`](/documentation/AppKit/NSTableView/clickedColumn) properties allow you to determine which row and column the double-click occurred in or if, rather than in a row, the double-click occurred in a column heading.

Note that if the table view uses Cocoa bindings and the Double Click Target binding is bound, both messages are invoked on their respective targets: First the Cocoa binding message is sent, then the `setDoubleAction:` message.

## See Also

[`target`](/documentation/AppKit/NSControl/target)

The target object that receives action messages from the cell.


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