---
title: "init(top:leading:bottom:trailing:)"
framework: appkit
role: symbol
role_heading: Initializer
path: "appkit/nsdirectionaledgeinsets/init(top:leading:bottom:trailing:)"
---

# init(top:leading:bottom:trailing:)

Creates a directional edge insets structure that contains the specified values.

## Declaration

```swift
init(top: CGFloat, leading: CGFloat, bottom: CGFloat, trailing: CGFloat)
```

## Parameters

- `top`: The inset on the top of an object.
- `leading`: The inset on the leading edge of an object. In a left-to-right system, the left edge is the leading edge. In a right-to-left system, the right edge is the leading edge.
- `bottom`: The inset on the bottom of an object.
- `trailing`: The inset on the trailing edge of an object. In a left-to-right system, the right edge is the trailing edge. In a right-to-left system, the left edge is the trailing edge.

## Return Value

Return Value An initialized inset structure.

## See Also

### Creating directional edge insets

- [init()](appkit/nsdirectionaledgeinsets/init().md)