# Class ApprovalHistoryEntity

OptimaJet.Workflow.Core.Entities.ApprovalHistoryEntity

Represents a persistence entity for a pending or completed approval history entry.

Namespace: [OptimaJet.Workflow.Core.Entities](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/)

```csharp
public class ApprovalHistoryEntity : IEntity
```

## Type Hierarchy

-   ApprovalHistoryEntity Current type
    -   Implemented interfaces
        -   [IEntity](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/IEntity/)

## Properties

`public Guid Id { get; set; }` 

Gets or sets the unique identifier of the approval history entry.

`public Guid ProcessId { get; set; }` 

Gets or sets the identifier of the process instance associated with the entry.

`public string TenantId { get; set; }` 

Gets or sets the tenant identifier associated with the process instance.

`public string IdentityId { get; set; }` 

Gets or sets the workflow participant identity of the executor for a completed approval transition.

`public string AllowedTo { get; set; }` 

Gets or sets the comma-separated user names or workflow participant identities recorded as eligible to complete the approval transition.

`public DateTime? TransitionTime { get; set; }` 

Gets or sets the time when the approval transition occurred, or [null](https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null) while the entry represents a pending approval.

`public long Sort { get; set; }` 

Gets or sets the sequence value used to order approval history entries for a process instance.

`public string InitialState { get; set; }` 

Gets or sets the display name of the source state recorded for the approval transition.

`public string DestinationState { get; set; }` 

Gets or sets the display name of the destination state recorded for the approval transition.

`public string TriggerName { get; set; }` 

Gets or sets the display name of the command or timer associated with the approval transition.

`public string Commentary { get; set; }` 

Gets or sets the comment recorded for the approval transition.

## Methods

`public object GetValue(string key)` 

Gets the value of the property identified by `key`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `key` | `String` | The case-sensitive name of a property declared by [ApprovalHistoryEntity](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/ApprovalHistoryEntity/). |

### Returns

| Type | Description |
| --- | --- |
| `Object` | The current value of the specified property. |

### Exceptions

| Type | Description |
| --- | --- |
| `ColumnNotExistsException` | Thrown when `key` does not identify a supported property. |

`public void SetValue(string key, object value)` 

Sets the value of the property identified by `key`.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `key` | `String` | The case-sensitive name of a property declared by [ApprovalHistoryEntity](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Entities/ApprovalHistoryEntity/). |
| `value` | `Object` | The value to assign; the expected runtime type is determined by the selected property. |

### Exceptions

| Type | Description |
| --- | --- |
| `ColumnNotExistsException` | Thrown when `key` does not identify a supported property. |

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