---
title: "init(double:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/nsappleeventdescriptor/init(double:)"
---

# init(double:)

Creates a descriptor initialized with Apple event type typeIEEE64BitFloatingPoint that stores the specified double value.

## Declaration

```swift
init(double doubleValue: Double)
```