# KeyValueProperty

`KeyValue` is a subproperty of the `HadoopJarStepConfig` property type.

`KeyValue` is used to pass parameters to a step.

- 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_emr as emr } from 'aws-cdk-lib';
const keyValueProperty: emr.CfnStep.KeyValueProperty = {
  key: 'key',
  value: 'value',
};
```

## Properties

- `key`: string — The unique identifier of a key-value pair.

- `value`: string — The value part of the identified key.