plugins/ebay/widget/EbayMenus.xml

<?xml version="1.0" encoding="UTF-8"?>
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<menus xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://ofbiz.apache.org/Widget-Menu" xsi:schemaLocation="http://ofbiz.apache.org/Widget-Menu http://ofbiz.apache.org/dtds/widget-menu.xsd">
    <menu name="EbayAppBar" title="${uiLabelMap.EbayApplication}" extends="CommonAppBarMenu" extends-resource="component://common/widget/CommonMenus.xml">
        <menu-item name="eBayConfigurations" title="${uiLabelMap.EbayConfigurations}"><link target="FindEbayConfigurations"/></menu-item>
        <menu-item name="eBayShippingMethods" title="${uiLabelMap.EbayShippingMethodConfigurations}"><link target="EbayShippingMethods"/></menu-item>        
        <menu-item name="export" title="${uiLabelMap.EbayExportToEbay}"><link target="advancedsearch"/></menu-item>
        <menu-item name="importOrders" title="${uiLabelMap.EbayImportSingleTransactionFromEbay}"><link target="ManageOrdersFromEbay"/></menu-item>
        <menu-item name="eBayOrders" title="${uiLabelMap.EbayEBayOrders}"><link target="eBayOrders"/></menu-item>
    </menu>
    <menu name="EbayConfigTabBar" extends="CommonTabBarMenu" extends-resource="component://common/widget/CommonMenus.xml">
        <menu-item name="find" title="${uiLabelMap.CommonFind}" >
            <link target="FindEbayConfigurations"/>
        </menu-item>
        <menu-item name="newEbayConfig" title="${uiLabelMap.CommonNew}">
            <condition>
                <if-empty field="ebayConfig"/>
            </condition>
            <link target="EditEbayConfiguration"/>
        </menu-item>
        <menu-item name="editEbayConfig" title="${uiLabelMap.CommonEdit}">
            <condition>
                <and>
                    <not><if-empty field="ebayConfig"/></not>
                </and>
            </condition>
            <link target="EditEbayConfiguration">
                <parameter param-name="productStoreId" from-field="ebayConfig.productStoreId"/>
            </link>
        </menu-item>
    </menu>
    <menu name="EbayConfigSubTabBar" extends="CommonTabBarMenu" extends-resource="component://common/widget/CommonMenus.xml"
            menu-container-style="button-bar button-style-2">
        <menu-item name="createNew" title="${uiLabelMap.CommonCreateNew}">
            <condition>
                <not><if-empty field="ebayConfig"/></not>
            </condition>
            <link target="EditEbayConfiguration"/>
        </menu-item>
    </menu>
</menus>