The main sections of a Business Process Execution Language (BPEL) definition are shown in the following code sample.
<process> <!-- Definition of roles of process participants --> <partnerLinks> ... </partnerLinks> <!-- Data and state variables used within the process --> <variables> ... </variables> <!-- Correlation comment --> <correlationSets> ... </correlationSets> <!-- Exception management --> <faultHandlers> ... </faultHandlers> <!-- Message and timeout event handler --> <eventHandlers> ... </eventHandlers> <!-- Processing steps --> activities* </process>