processOrderAndTweet.xml

<definitions 
  xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"
  xmlns:activiti="http://activiti.org/bpmn"
  targetNamespace="Examples">

  <process id="processOrderWithTweetPublish" >

    <startEvent id="theStart" />
    
    <sequenceFlow sourceRef="theStart" targetRef="processOrderAndTweet" />
    
    <sendTask id="processOrderAndTweet" activiti:type="mule">
      <extensionElements>
        <activiti:field name="endpointUrl">
          <activiti:string>vm://tweetFromActiviti</activiti:string>
        </activiti:field>
        <activiti:field name="language">
          <activiti:string>juel</activiti:string>
        </activiti:field>
        <activiti:field name="payloadExpression">
          <activiti:string>I have just purchased a #{productName} from Mulesoft.com</activiti:string>
        </activiti:field>
        <activiti:field name="resultVariable">
          <activiti:string>theVariable</activiti:string>
        </activiti:field>
      </extensionElements>
    </sendTask>
    
    <sequenceFlow sourceRef="processOrderAndTweet" targetRef="theEnd" />
    
    <endEvent id="theEnd" />

  </process>

</definitions>