Task bpmn code

index.js

var bpmn = require("bpmn");
var logLevels = require('bpmn').logLevels;

console.log("Starting");

bpmn.createUnmanagedProcess(__dirname + "/task.bpmn", function(err, myProcess) {
    myProcess.setLogLevel(logLevels.debug);
    myProcess.triggerEvent("MyStart");
});

console.log("Finished");

task.bpmn

<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:debugger="http://e2e.ch/bpmneditor/debugger">
  <bpmn:extensionElements>
    <debugger:position href="http://localhost:7261/grapheditor/debugger/position"/>
  </bpmn:extensionElements>
  <bpmn:process id="PROCESS_1">
    <bpmn:startEvent name="MyStart" label="MyStart" id="2">
      <mxCell style="shape=mxgraph.bpmn.none_start_event;verticalLabelPosition=bottom;verticalAlign=top;" vertex="1" parent="1">
        <mxGeometry x="91" y="91" width="40" height="40" as="geometry"/>
      </mxCell>
    </bpmn:startEvent>
    <bpmn:task name="MyTask" label="MyTask" id="3">
      <mxCell style="shape=mxgraph.bpmn.task;" vertex="1" parent="1">
        <mxGeometry x="240" y="81" width="140" height="60" as="geometry"/>
      </mxCell>
    </bpmn:task>
    <bpmn:sequenceFlow name="" sourceRef="2" targetRef="3" id="4">
      <mxCell style="endArrow=block;endFill=1;endSize=6;edgeStyle=orthogonalEdgeStyle" edge="1" parent="1" source="2" target="3">
        <mxGeometry x="1" y="1" as="geometry">
          <mxPoint as="sourcePoint"/>
          <mxPoint x="30" y="30" as="targetPoint"/>
        </mxGeometry>
      </mxCell>
    </bpmn:sequenceFlow>
    <bpmn:endEvent name="MyEnd" label="MyEnd" id="5">
      <mxCell style="shape=mxgraph.bpmn.none_end_event;verticalLabelPosition=bottom;verticalAlign=top;" vertex="1" parent="1">
        <mxGeometry x="470" y="91" width="40" height="40" as="geometry"/>
      </mxCell>
    </bpmn:endEvent>
    <bpmn:sequenceFlow name="" sourceRef="3" targetRef="5" id="6">
      <mxCell style="endArrow=block;endFill=1;endSize=6;edgeStyle=orthogonalEdgeStyle" edge="1" parent="1" source="3" target="5">
        <mxGeometry x="1" y="1" as="geometry">
          <mxPoint as="sourcePoint"/>
          <mxPoint x="30" y="30" as="targetPoint"/>
        </mxGeometry>
      </mxCell>
    </bpmn:sequenceFlow>
  </bpmn:process>
</bpmn:definitions>

task.js

/*global module exports console */


exports.MyStart = function( data , done ){
    // called after the start event arrived at MyStart
	console.log("MyStart");
	done();
};


exports.MyTask = function( data , done ){
    // called at the beginning of MyTask
	console.log("MyTask");
	done();
};

exports.MyTaskDone = function( data , done ){
    // Called after the process has been notified that the task has been finished
    // by invoking myProcess.taskDone("MyTask").
    // Note: <task name> + "Done" handler are only called for
    // user tasks, manual task, and unspecified tasks
    console.log("MyTaskDone");
    done();
};

exports.MyEnd = function( data , done ){
    // Called after MyEnd has been reached
	console.log("MyEnd");
	done();
};

/**
 * @param {String} eventType Possible types are: "activityFinishedEvent", "callHandler"
 * @param {String?} currentFlowObjectName The current activity or event
 * @param {String} handlerName
 * @param {String} reason Possible reasons:
 *                          - no handler given
 *                          - process is not in a state to handle the incoming event
 *                          - the event is not defined in the process
 *                          - the current state cannot be left because there are no outgoing flows
 */
exports.defaultEventHandler = function(eventType, currentFlowObjectName, handlerName, reason, done) {
    // Called, if no handler could be invoked.
    done(data);
};

exports.defaultErrorHandler = function(error, done) {
    // Called if errors are thrown in the event handlers
    done();
};

exports.onBeginHandler = function(currentFlowObjectName, data, done) {
    // do something
    done(data);
};

exports.onEndHandler = function(currentFlowObjectName, data, done) {
    // do something
    done(data);
};