# Class TDataObjectReference OptimaJet.Workflow.BpmnPlugin.Model.TDataObjectReference Namespace: [OptimaJet.Workflow.BpmnPlugin.Model](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/) ```csharp public class TDataObjectReference : TFlowElement ``` ## 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/) - TDataObjectReference Current type ## Properties `public TDataState DataState { get; set; }` `public XmlQualifiedName ItemSubjectRef { get; set; }` `public string DataObjectRef { get; set; }` [Previous TDataObject](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TDataObject/) [Next TDataOutput](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TDataOutput/)