# Class HubOperationResult

OptimaJet.Workflow.Api.Configuration.HubOperationResult

A successful SignalR completion or an explicit client-visible failure.

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

```csharp
public sealed class HubOperationResult
```

## Properties

`public bool IsSuccess { get; }` 

Gets whether this completion is successful.

`public object? Value { get; }` 

Gets the successful return value, including null for a null/void completion.

`public string? Error { get; }` 

Gets the client-visible error message, or null on success.

## Methods

`public static HubOperationResult Success(object? value = null)` 

Creates a successful completion.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `value` | `Object` | The value to serialize to the caller, or null. |

### Returns

| Type | Description |
| --- | --- |
| `HubOperationResult` | The completion. |

`public static HubOperationResult Failure(string error)` 

Creates a failed completion with a message safe to expose to the caller.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `error` | `String` | The client-visible error message. |

### Returns

| Type | Description |
| --- | --- |
| `HubOperationResult` | The completion. |

## Remarks

Use Success(null) for a completed null/void result. A null callback return instead means continue or leave an exception unhandled.

[Previous HubOperation](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Configuration/HubOperation/) [Next IHubOperationBuilder](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api.Configuration/IHubOperationBuilder/)