> **Experimental**
>
> `@aws-cdk/aws-imagebuilder-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# WorkflowSchemaVersion

The schema version of the workflow.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/workflow.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0-alpha.0/packages/@aws-cdk/aws-imagebuilder-alpha/lib/workflow.ts#L303)

## Example

```ts
const workflow = new imagebuilder.Workflow(this, 'MyWorkflow', {
  workflowType: imagebuilder.WorkflowType.BUILD,
  data: imagebuilder.WorkflowData.fromJsonObject({
    schemaVersion: imagebuilder.WorkflowSchemaVersion.V1_0,
    steps: [
      {
        name: 'LaunchBuildInstance',
        action: imagebuilder.WorkflowAction.LAUNCH_INSTANCE,
        onFailure: imagebuilder.WorkflowOnFailure.ABORT,
        inputs: {
          waitFor: 'ssmAgent',
        },
      },
      {
        name: 'ExecuteComponents',
        action: imagebuilder.WorkflowAction.EXECUTE_COMPONENTS,
        onFailure: imagebuilder.WorkflowOnFailure.ABORT,
        inputs: {
          'instanceId': 'i-123',
        },
      },
      {
        name: 'CreateImage',
        action: imagebuilder.WorkflowAction.CREATE_IMAGE,
        onFailure: imagebuilder.WorkflowOnFailure.ABORT,
        inputs: {
          'instanceId': 'i-123',
        },
      },
      {
        name: 'TerminateInstance',
        action: imagebuilder.WorkflowAction.TERMINATE_INSTANCE,
        onFailure: imagebuilder.WorkflowOnFailure.CONTINUE,
        inputs: {
          'instanceId': 'i-123',
        },
      },
    ],
    outputs: [
      {
        name: 'ImageId',
        value: '$.stepOutputs.CreateImage.imageId',
      },
    ],
  }),
});
```

## Members

| Member | Description |
| --- | --- |
| `V1_0` | Schema version 1.0 for the workflow document. |