To run BPEL code that has been generated, either through a GUI or by an intrepid XML programmer, the code is parsed by a BPEL engine, which does the same kind of parsing job as other XML interpreters.

• 要运行已经生成的BPEL程序，可以通过GUI或者能力超强的XML程序员自己编程实现，代码由BPEL引擎解析，如同其他的XML解释器所做的解析工作一样。