# WorkflowDefinitionReference

A reference to a WorkflowDefinition resource.

- Source: Generated code
- Type last changed: v2.249.0 · 13 Apr 2026

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_novaact as interfaces_novaact } from 'aws-cdk-lib/interfaces';
const workflowDefinitionReference: interfaces_novaact.WorkflowDefinitionReference = {
  workflowDefinitionArn: 'workflowDefinitionArn',
};
```

## Properties

- `workflowDefinitionArn`: string (required) — The Arn of the WorkflowDefinition resource.