# Class TMessageEventDefinition

OptimaJet.Workflow.BpmnPlugin.Model.TMessageEventDefinition

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

```csharp
public class TMessageEventDefinition : TEventDefinition
```

## Type Hierarchy

-   [TBaseElement](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TBaseElement/)
    -   [TRootElement](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TRootElement/)
        -   [TEventDefinition](https://api.workflowengine.io/bpmn-plugin/OptimaJet.Workflow.BpmnPlugin.Model/TEventDefinition/)
            -   TMessageEventDefinition Current type

## Properties

`public XmlQualifiedName OperationRef { get; set; }` 

`public XmlQualifiedName MessageRef { get; set; }` 

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