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{children:excerpt=true} </bpel:extension>
</bpel:extensions>
</bpel:extensions>
{code}
The namespace attribute corresponds to the namespace of the extended activity. The mustUnderstand attribute specifies if the BPEL engine must understand the extended
activity (that is mandatory for the process to be successfully executed) or if it can ignores it (i.e. a debug activity).
activity (that is mandatory for the process to be successfully executed) or if it can ignores it (i.e. a debug activity).
...* How to implement an extended activity in EasyBPEL?
As EasyBPEL is put upon EasyVIPER, an extended behavior is expected to be developed for each extended activity in EasyBPEL.
First we consider an extended behavior is available (see the specific how-to on EasyVIPER page (TODO link to easyviper how to)).
The following figure shows this mechanism of EasyBPEL activity mapped into an EasyVIPER behaviour.