How to "rerender" custom elememts in blade using alpinejs

<x-filament-panels::page>
    <x-filament::section>
        <div
            class="grid grid-flow-col justify-stretch gap-4"
            x-data="{ message: '' }"
        >
            <div
                x-model="message"
                x-ignore
                ax-load
                ax-load-src="{{ ... }}"
                x-data="codeEditor()"
            >
            </div>
            <customEl x-ref="container" x-text="message"></customEl>
        </div>
    </x-filament::section>
</x-filament-panels::page>