# Interface IActivityImplementationBuilder

OptimaJet.Workflow.Core.Model.Builder.IActivityImplementationBuilder

Defines fluent operations for setting the parameter of an [ActionDefinitionReference](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActionDefinitionReference/) stored in [ActivityDefinition.Implementation](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/) or [ActivityDefinition.PreExecutionImplementation](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActivityDefinition/).

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

```csharp
public interface IActivityImplementationBuilder : IActivityBuilder, IBaseActivityBuilder, IProcessDefinitionBuilder
```

## Type Hierarchy

-   IActivityImplementationBuilder Current type
    -   Base interfaces
        -   [IActivityBuilder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model.Builder/IActivityBuilder/)
            -   [IBaseActivityBuilder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model.Builder/IBaseActivityBuilder/)
                -   [IProcessDefinitionBuilder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model.Builder/IProcessDefinitionBuilder/)

## Methods

`IActivityBuilder ActionParameter(string parameter)` 

Sets [ActionDefinitionReference.ActionParameter](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActionDefinitionReference/) to `parameter` for the [ActionDefinitionReference](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActionDefinitionReference/) currently being configured.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `parameter` | `String` | The parameter text to assign to the referenced action. |

### Returns

| Type | Description |
| --- | --- |
| `IActivityBuilder` | The [IActivityBuilder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model.Builder/IActivityBuilder/) for continued configuration of the current activity. |

`IActivityBuilder ActionParameter(object parameter)` 

Serializes `parameter` to JSON by using [ParametersSerializer.Serialize(object)](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ParametersSerializer/) and sets [ActionDefinitionReference.ActionParameter](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActionDefinitionReference/) on the [ActionDefinitionReference](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/ActionDefinitionReference/) currently being configured to the result.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `parameter` | `Object` | The value to serialize as the referenced action's parameter. |

### Returns

| Type | Description |
| --- | --- |
| `IActivityBuilder` | The [IActivityBuilder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model.Builder/IActivityBuilder/) for continued configuration of the current activity. |

[Previous IActivityExceptionHandlerBuilder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model.Builder/IActivityExceptionHandlerBuilder/) [Next IActorBuilder](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model.Builder/IActorBuilder/)