# Class CommandParameterNotFoundException

OptimaJet.Workflow.Core.Fault.CommandParameterNotFoundException

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

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

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

## Type Hierarchy

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

## Constructors

`public CommandParameterNotFoundException(string commandName, string parameterName, string schemeCode)` 

Represents an exception thrown when a command parameter cannot be found in the specified command.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `commandName` | `String` | The command name where the parameter was requested. |
| `parameterName` | `String` | The requested command parameter name. |
| `schemeCode` | `String` | The workflow scheme code that contains the command. |

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