# Class WorkflowProcessTransitionHistory

OptimaJet.Workflow.PostgreSQL.WorkflowProcessTransitionHistory

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

```csharp
public class WorkflowProcessTransitionHistory : DbObject<ProcessTransitionHistoryEntity>
```

## Type Hierarchy

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

## Constructors

`public WorkflowProcessTransitionHistory(string schemaName, int commandTimeout)` 

### Parameters

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

## Methods

`public Task<int> DeleteByProcessIdAsync(NpgsqlConnection connection, Guid processId, NpgsqlTransaction transaction = null)` 

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `connection` | `NpgsqlConnection` |  |
| `processId` | `Guid` |  |
| `transaction` | `NpgsqlTransaction` |  |

### Returns

| Type | Description |
| --- | --- |
| `Task<Int32>` |  |

`public Task<ProcessTransitionHistoryEntity[]> SelectByProcessIdAsync(NpgsqlConnection connection, Guid processId, Paging paging = null)` 

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `connection` | `NpgsqlConnection` |  |
| `processId` | `Guid` |  |
| `paging` | `Paging` |  |

### Returns

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

`public Task<ProcessTransitionHistoryEntity[]> SelectByIdentityIdAsync(NpgsqlConnection connection, string identityId, Paging paging = null)` 

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `connection` | `NpgsqlConnection` |  |
| `identityId` | `String` |  |
| `paging` | `Paging` |  |

### Returns

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

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