# Class TDataAssociation

OptimaJet.Workflow.BpmnPlugin.Model.TDataAssociation

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

```csharp
public class TDataAssociation : TBaseElement
```

## Type Hierarchy

-   [TBaseElement](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TBaseElement/)
    -   TDataAssociation Current type
        -   [TDataInputAssociation](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TDataInputAssociation/)
        -   [TDataOutputAssociation](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TDataOutputAssociation/)

## Constructors

`public TDataAssociation()` 

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

## Properties

`public Collection<string> SourceRef { get; }` 

`public bool SourceRefSpecified { get; }` 

Gets a value indicating whether the SourceRef collection is empty.

`public string TargetRef { get; set; }` 

`public TFormalExpression Transformation { get; set; }` 

`public Collection<TAssignment> Assignment { get; }` 

`public bool AssignmentSpecified { get; }` 

Gets a value indicating whether the Assignment collection is empty.

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