# CommandPreprocessorProperty

- Source: Generated code
- Type last changed: v2.238.0 · 9 Feb 2026

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_iot as iot } from 'aws-cdk-lib';
const commandPreprocessorProperty: iot.CfnCommand.CommandPreprocessorProperty = {
  awsJsonSubstitution: {
    outputFormat: 'outputFormat',
  },
};
```

## Properties

- `awsJsonSubstitution`: [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) | [CfnCommand.AwsJsonSubstitutionCommandPreprocessorConfigProperty](/cdk/api/v2/docs/aws-cdk-lib.aws_iot.CfnCommand.AwsJsonSubstitutionCommandPreprocessorConfigProperty.html)