# Class TActivity

OptimaJet.Workflow.BpmnPlugin.Model.TActivity

Namespace: [OptimaJet.Workflow.BpmnPlugin.Model](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/)

```csharp
public abstract class TActivity : TFlowNode
```

## Type Hierarchy

-   [TBaseElement](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TBaseElement/)
    -   [TFlowElement](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TFlowElement/)
        -   [TFlowNode](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TFlowNode/)
            -   TActivity Current type
                -   [TCallActivity](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TCallActivity/)
                -   [TSubProcess](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TSubProcess/)
                    -   [TAdHocSubProcess](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TAdHocSubProcess/)
                    -   [TTransaction](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TTransaction/)
                -   [TTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TTask/)
                    -   [TBusinessRuleTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TBusinessRuleTask/)
                    -   [TManualTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TManualTask/)
                    -   [TReceiveTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TReceiveTask/)
                    -   [TScriptTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TScriptTask/)
                    -   [TSendTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TSendTask/)
                    -   [TServiceTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TServiceTask/)
                    -   [TUserTask](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TUserTask/)

## Constructors

`public TActivity()` 

Initializes a new instance of the [TActivity](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TActivity/) class.

## Properties

`public TInputOutputSpecification IoSpecification { get; set; }` 

`public Collection<TProperty> Property { get; }` 

`public bool PropertySpecified { get; }` 

Gets a value indicating whether the Property collection is empty.

`public Collection<TDataInputAssociation> DataInputAssociation { get; }` 

`public bool DataInputAssociationSpecified { get; }` 

Gets a value indicating whether the DataInputAssociation collection is empty.

`public Collection<TDataOutputAssociation> DataOutputAssociation { get; }` 

`public bool DataOutputAssociationSpecified { get; }` 

Gets a value indicating whether the DataOutputAssociation collection is empty.

`public Collection<TResourceRole> ResourceRole { get; }` 

`public bool ResourceRoleSpecified { get; }` 

Gets a value indicating whether the ResourceRole collection is empty.

`public TLoopCharacteristics LoopCharacteristics { get; set; }` 

`public bool IsForCompensation { get; set; }` 

`public string StartQuantity { get; set; }` 

`public string CompletionQuantity { get; set; }` 

`public string Default { get; set; }` 

[Previous Style](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/Style/) [Next TAdHocOrdering](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TAdHocOrdering/)