core/resources/views/order/notifications/dispatched.blade.php

<p>Hi,</p>

<p>Your order <strong>{{ $reference }}</strong> is on its way.</p>

@foreach ($shipments ?? [] as $shipment)
    <p>
        {{ $shipment->carrierLabel() }}: <strong>{{ $shipment->tracking_reference }}</strong>
        @if ($url = $shipment->trackingUrl())
            — <a href="{{ $url }}">Track your parcel</a>
        @endif
    </p>
@endforeach