# Interface IWorkflowTenantRegistryLifecycle

OptimaJet.Workflow.Api.IWorkflowTenantRegistryLifecycle

Controls the host-owned lifecycle of the workflow tenant registry.

Namespace: [OptimaJet.Workflow.Api](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api/)

```csharp
public interface IWorkflowTenantRegistryLifecycle
```

## Methods

`Task StartAsync(IEnumerable<WorkflowTenantCreationOptions> options, CancellationToken cancellationToken = default)` 

Starts the tenant registry and registers static tenants from the provided creation options.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `options` | `IEnumerable<WorkflowTenantCreationOptions>` | The static tenant creation options configured for the host. |
| `cancellationToken` | `CancellationToken` | The cancellation token for the start operation. |

### Returns

| Type | Description |
| --- | --- |
| `Task` |  |

`Task StopAsync(CancellationToken cancellationToken)` 

Stops the tenant registry and gracefully shuts down registry-owned tenants. Retries shutdowns that failed during an earlier snapshot cleanup or stop attempt; their tenant id and workflow runtime reservations are retained until a retry succeeds.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `cancellationToken` | `CancellationToken` | The cancellation token for the stop operation. |

### Returns

| Type | Description |
| --- | --- |
| `Task` |  |

[Previous IWorkflowTenantRegistry](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api/IWorkflowTenantRegistry/) [Next IWorkflowTenantSnapshot](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api/IWorkflowTenantSnapshot/)