The process initiating portlet displays a form enabling the end user to enter data and a Submit button to start a process instance.

流程启动Portlet显示允许最终用户输入数据的表单和用于启动流程实例的Submit按钮。

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For instance, most back-end processes require an XML document while a front-end process may require a JSON object.

比如，大部分后端处理需要XML文档，而前端处理则可能要求JSON对象。

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An end event is the last step before the process instance is completed. The end event has a thicker circle border line than the start event.

结束事件是流程实例完成之前的最后一步。结束事件的边线要比开始事件要粗。

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