pe="java.lang.Boolean" />
    </cc:interface>

    <!-- IMPLEMENTATION -->
    <cc:implementation>
        <p:commandButton value="Download" ajax="false">
            <p:dataExporter 
                fileName="pharmaceutical_bill_items" 
                target="tblBillItems" 
                type="xlsx" />
        </p:commandButton>
        
        <p:outputLabel value="Bill ID" ></p:outputLabel>
        <p:inputText id="billIdToAssignBillItems" value="#{billController.billIdToAssignBillItems}" >
         