# EnvironmentProperty

A function's environment variable settings.

You can use environment variables to adjust your function's behavior without updating code. An environment variable is a pair of strings that are stored in a function's version-specific configuration.

- Source: Generated code
- Type last changed: v2.93.0 · 23 Aug 2023

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_lambda as lambda } from 'aws-cdk-lib';
const environmentProperty: lambda.CfnFunction.EnvironmentProperty = {
  variables: {
    variablesKey: 'variables',
  },
};
```

## Properties

- `variables`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | { [key: string]: string } — Environment variable key-value pairs. For more information, see [Using Lambda environment variables](https://docs.aws.amazon.com/lambda/latest/dg/configuration-envvars.html) .

  If the value of the environment variable is a time or a duration, enclose the value in quotes.