odoo17e-kedaikipas58/addons/delivery_sendcloud/data/message_templates.xml

<odoo>
    <data>
        <template id="sendcloud_label_tracking">
            <t t-out="type" /> created in Sendcloud. <br/>
            <b>Tracking Numbers:</b>
            <t t-foreach="parcels" t-as="parcel">
                <a t-att-href="parcel['tracking_url']" target="_blank" t-out="parcel['tracking_number']" />
                <t t-if="not parcel_last">,</t>
            </t>
        </template>
    </data>
</odoo>