---
title: "lookup(_:)"
framework: browserenginekit
role: symbol
role_heading: Instance Method
path: "browserenginekit/berespondereditactions/lookup(_:)"
---

# lookup(_:)

Presents a dictionary definition for the selected content.

## Declaration

```swift
optional func lookup(_ sender: Any?)
```

## Parameters

- `sender`: The object calling this method.

## Discussion

Discussion To present the standard system UI for showing a dictionary definition, call showDictionary(forTextInContext:definingTextInRange:from:) in your implementation of this method.

## See Also

### Defining and sharing text

- [share(_:)](browserenginekit/berespondereditactions/share(_:).md)