---
title: "init(newPromiseInContext:fromExecutor:)"
framework: javascriptcore
role: symbol
role_heading: Initializer
path: "javascriptcore/jsvalue/init(newpromiseincontext:fromexecutor:)"
---

# init(newPromiseInContext:fromExecutor:)

## Declaration

```swift
init!(newPromiseInContext context: JSContext!, fromExecutor callback: ((JSValue?, JSValue?) -> Void)!)
```