# Class CommandNotFoundException

OptimaJet.Workflow.Core.Fault.CommandNotFoundException

Represents an exception thrown when a command cannot be found in a workflow scheme.

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

```csharp
public class CommandNotFoundException : Exception, ISerializable
```

## Type Hierarchy

-   [Exception](https://learn.microsoft.com/dotnet/api/system.exception)
    -   CommandNotFoundException Current type
        -   Implemented interfaces
            -   [ISerializable](https://learn.microsoft.com/dotnet/api/system.runtime.serialization.iserializable)

## Constructors

`public CommandNotFoundException(string message)` 

Initializes a new instance of the [CommandNotFoundException](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Fault/CommandNotFoundException/) class with a custom error message.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `message` | `String` | The message that explains why the exception was thrown. |

`public CommandNotFoundException(string commandName, string schemeCode)` 

Initializes a new instance of the [CommandNotFoundException](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Fault/CommandNotFoundException/) class for a missing command name in a specific workflow scheme.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `commandName` | `String` | The name of the command that was not found. |
| `schemeCode` | `String` | The workflow scheme code that was searched. |

[Previous CommandAlreadyExistsException](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Fault/CommandAlreadyExistsException/) [Next CommandNotValidException](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Fault/CommandNotValidException/)