9. Errorstartevent and errorboundaryevent of error events

The error event corresponds to a circle with an inclination 45 Degree Z Font Icon . The error event can be used as the start event of a process or as the boundary event of a task or sub process , Error events are not provided as intermediate events , This is different from other events .

1 Start the event ErrorStartEvent

As a start event, an error event can only be defined in the sub process of the event , We write process definitions errorStart.bpmn20.xml, The process definition is as follows ：

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/test">