# Class ProcessActivityChangedEventArgs

OptimaJet.Workflow.Core.Runtime.ProcessActivityChangedEventArgs

Provides event data for [WorkflowRuntime.OnProcessActivityChanged](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/) and [WorkflowRuntime.OnProcessActivityChangedAsync](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/WorkflowRuntime/).

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

```csharp
public class ProcessActivityChangedEventArgs
```

## Constructors

`public ProcessActivityChangedEventArgs(ProcessInstance processInstance, bool transitionalProcessWasCompleted)` 

Initializes a new instance of the [ProcessActivityChangedEventArgs](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ProcessActivityChangedEventArgs/) class.

### Parameters

| Name | Type | Description |
| --- | --- | --- |
| `processInstance` | `ProcessInstance` | The process instance whose current activity changed. |
| `transitionalProcessWasCompleted` | `Boolean` | [true](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool) if a transitional process was completed and the process will stop at the current activity. |

## Properties

`public Guid ProcessId { get; }` 

Gets the identifier of the process whose current activity changed.

`public bool IsSubprocess { get; }` 

Gets a value indicating whether the current activity was changed for a subprocess.

`public string SchemeCode { get; }` 

Gets the scheme code of the process.

`public ProcessInstance ProcessInstance { get; }` 

Gets the process instance for which the current activity was changed.

`public string PreviousActivityName { get; }` 

Gets the name of the previous activity.

`public ActivityDefinition PreviousActivity { get; }` 

Gets the previous activity definition if available.

`public ActivityDefinition CurrentActivity { get; }` 

Gets the current activity. This is the activity that was final for the last executed transition. [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/)

`public string CurrentActivityName { get; }` 

Gets the name of the current activity. This is the activity that was final for the last executed transition. [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/)

`public bool StateWasChanged { get; }` 

Gets a value indicating whether the process state changed.

`public bool TransitionalProcessWasCompleted { get; }` 

Gets a value indicating that a transitional process was completed and the process will stop at the current activity.

`public string CurrentState { get; }` 

Gets the name of the current state. This is the state that was final for the last executed transition. [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/)

`public string PreviousState { get; }` 

Gets the name of the previous state. This is the state that was initial for the last executed direct transition. [TransitionDefinition.From](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Model/TransitionDefinition/)

`public TransitionDefinition ExecutedTransition { get; }` 

Gets the transition definition that was executed.

[Previous ParametersSerializer](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ParametersSerializer/) [Next ProcessHistoryItem](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Runtime/ProcessHistoryItem/)