---
title: environment
framework: coreservices
role: symbol
role_heading: Instance Property
path: coreservices/lsapplicationparameters/1449247-environment
---

# environment

A dictionary of CFStringRef keysand values for environment variables to set in the launched process.The value of this field can be NULL.

## Declaration

```swift
var environment: Unmanaged<CFDictionary>!
```