Листинг 1: BPEL partnerLinks и переменные для процесса осуществления заема

<process name = "LoanFlow"
        targetNamespace = http://samples.cxdn.com
         ...>
<partnerLinks>
    <partnerLink name = "UnitedLoanService"
                partnerLinkType = "services:LoanService"
                myRole = "LoanServiceRequester"
                partnerRole = "LoanServiceProvider"/>
    <partnerLink name = "AmericanLoanService"
                partnerLinkType = "services:LoanService"
                myRole = "LoanServiceRequester"
                partnerRole = "LoanServiceProvider"/>
</partnerLinks>

<variables>
    <variable name = "loanApplication"
             messageType = "services:LoanServiceRequestMessage"/>
    <variable name = "loanOffer1"
             messageType = "services:LoanServiceResultMessage"/>
    <variable name = "loanOffer2"
             messageType = "services:LoanServiceResultMessage"/>
</variables>
<!—Process definition follows -->
...
</process>

Листинг 2: BPEL поток, последовательность, вызов и получение в процессе осуществления заема

<flow>
      <!-- Invoke 1st loan provider in parallel to the second -->
      <sequence>
        <invoke name="invokeUnitedLoan"
                partnerLink="UnitedLoanService"
                portType="services:LoanService"
                operation="initiate"
                inputVariable="loanApplication"/>
        <receive name="receive_invokeUnitedLoan"
                partnerLink="UnitedLoanService"
                portType="services:LoanServiceCallback"
                operation="onResult"
                variable="loanOffer1"/>
      </sequence>
      <sequence>
      <!--  Invoke the 2nd loan provider in parallel to the first -->
      <invoke name="invokeAmericanLoan" partnerLink="AmericanLoanService"
                portType="services:LoanService"
                operation="initiate"
                inputVariable="loanApplication"/>
        <receive name="receive_invokeAmericanLoan"
                partnerLink="AmericanLoanService"
                portType="services:LoanServiceCallback"
                operation="onResult"
                variable="loanOffer2"/>
      </sequence>
    </flow>