---
title: "backButtonBackgroundImage(for:barMetrics:)"
framework: uikit
role: symbol
role_heading: Instance Method
path: "uikit/uibarbuttonitem/backbuttonbackgroundimage(for:barmetrics:)"
---

# backButtonBackgroundImage(for:barMetrics:)

Returns the back button background image for a specified control state and bar metrics.

## Declaration

```swift
func backButtonBackgroundImage(for state: UIControl.State, barMetrics: UIBarMetrics) -> UIImage?
```

## Parameters

- `state`: A control state.
- `barMetrics`: Bar metrics.

## Return Value

Return Value The back button background image for state and barMetrics.

## Discussion

Discussion This modifier applies only to navigation bar back buttons and is ignored by other buttons.

## See Also

### Customizing the Back button

- [setBackButtonBackgroundImage(_:for:barMetrics:)](uikit/uibarbuttonitem/setbackbuttonbackgroundimage(_:for:barmetrics:).md)
- [backButtonTitlePositionAdjustment(for:)](uikit/uibarbuttonitem/backbuttontitlepositionadjustment(for:).md)
- [setBackButtonTitlePositionAdjustment(_:for:)](uikit/uibarbuttonitem/setbackbuttontitlepositionadjustment(_:for:).md)
- [backButtonBackgroundVerticalPositionAdjustment(for:)](uikit/uibarbuttonitem/backbuttonbackgroundverticalpositionadjustment(for:).md)
- [setBackButtonBackgroundVerticalPositionAdjustment(_:for:)](uikit/uibarbuttonitem/setbackbuttonbackgroundverticalpositionadjustment(_:for:).md)