manifest.xml

<?xml version="1.0" encoding="UTF-8"?>
<manifest xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/shopware/platform/master/src/Core/Framework/App/Manifest/Schema/manifest-1.0.xsd">
    <meta>
        <name>shopwareappexample</name>
        <label>Swag Example App</label>
        <label lang="de-DE">Swag Beispiel App</label>
        <description>Example App</description>
        <description lang="de-DE">Beispiel App</description>
        <author>shopware AG</author>
        <copyright>(c) by shopware AG</copyright>
        <version>1.0.0</version>
        <license>MIT</license>
    </meta>

    <setup>
        <registrationUrl>https://127.0.0.1:8000/registration</registrationUrl> <!-- replace local url with real one -->
        <secret>143af21f36dda6b4bc40df8cb045616d</secret>
    </setup>

    <admin>
        <!-- replace local  urls with real ones -->
        <action-button action="addOrderList" entity="order" view="detail" url="https://127.0.0.1:8000/actionbutton/add/orderlist">
            <label>Add order list</label>
            <label lang="de-DE">Bestellliste hinzufügen</label>
        </action-button>

        <module name="orderList" source="https://127.0.0.1:8000/iframe/orderlist">
            <label>Order list</label>
            <label lang="de-DE">Bestellliste</label>
        </module>
    </admin>

    <permissions>
        <create>state_machine_history</create>
        <read>order</read>
        <update>order</update>
        <read>order_line_item</read>
        <read>state_machine_state</read>
    </permissions>

    <custom-fields>
        <custom-field-set>
            <name>swag_orderlist</name>
            <label>Order list</label>
            <related-entities>
                <order/>
            </related-entities>
            <fields>
                <text-area name="order-list">
                    <position>1</position>
                    <label>Order list</label>
                    <label lang="de-DE">Bestellliste</label>
                </text-area>
            </fields>
        </custom-field-set>
    </custom-fields>

    <webhooks>
        <!-- replace local urls with real ones -->
        <webhook name="checkoutOrderPlaced" url="https://127.0.0.1:8000/hooks/order/placed" event="checkout.order.placed"/>
        <webhook name="appLifecycleDeleted" url="https://127.0.0.1:8000/applifecycle/deleted" event="app.deleted"/>
    </webhooks>
</manifest>