# Class WorkflowProcessInstance

OptimaJet.Workflow.PostgreSQL.WorkflowProcessInstance

Namespace: [OptimaJet.Workflow.PostgreSQL](https://api.workflowengine.io/postgresql/OptimaJet.Workflow.PostgreSQL/)

```csharp
public class WorkflowProcessInstance : DbObject<ProcessInstanceEntity>
```

## Type Hierarchy

-   [DbObject<ProcessInstanceEntity>](https://api.workflowengine.io/postgresql/OptimaJet.Workflow.PostgreSQL/DbObject-TEntity/)
    -   WorkflowProcessInstance Current type

## Constructors

`public WorkflowProcessInstance(string schemaName, int commandTimeout)` 

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `schemaName` | `String` |  |
| `commandTimeout` | `Int32` |  |

## Methods

`public Task<ProcessInstanceEntity[]> GetInstancesAsync(NpgsqlConnection connection, IEnumerable<Guid> ids)` 

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `connection` | `NpgsqlConnection` |  |
| `ids` | `IEnumerable<Guid>` |  |

### Returns

| Type | Description |
| --- | --- |
| `Task<ProcessInstanceEntity[]>` |  |

`public Task<bool> IsProcessExistsAsync(NpgsqlConnection connection, Guid processId, string tenantId)` 

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `connection` | `NpgsqlConnection` |  |
| `processId` | `Guid` |  |
| `tenantId` | `String` |  |

### Returns

| Type | Description |
| --- | --- |
| `Task<Boolean>` |  |

[Previous WorkflowInbox](https://api.workflowengine.io/postgresql/OptimaJet.Workflow.PostgreSQL/WorkflowInbox/) [Next WorkflowProcessInstancePersistence](https://api.workflowengine.io/postgresql/OptimaJet.Workflow.PostgreSQL/WorkflowProcessInstancePersistence/)