public $campaign;

    public function mount($campaign)
    {
        $this->campaign = $campaign;
        $this->form->fill();
    }

    public $campaign;

    public function mount($campaign)
    {
        $this->campaign = $campaign;
        $this->form->fill();
    }

<x-filament-panels::page>
    <x-filament-panels::form wire:submit="save">
        {{ $this->form }}

        <x-filament-panels::form.actions :actions="$this->getCachedFormActions()" :full-width="$this->hasFullWidthFormActions()" />
    </x-filament-panels::form>

    @if (count($relationManagers = $this->getRelationManagers()))
        <x-filament-panels::resources.relation-managers :active-manager="$activeRelationManager" :managers="$relationManagers" :owner-record="$record"
            :page-class="static::class" />
    @endif
    <x-filament::section>
        <x-slot name="heading">
            Upload de mailing
        </x-slot>
        <livewire:upload-mailing :campaign="$record" />
    </x-filament::section>
</x-filament-panels::page>

<x-filament-panels::page>
    <x-filament-panels::form wire:submit="save">
        {{ $this->form }}

        <x-filament-panels::form.actions :actions="$this->getCachedFormActions()" :full-width="$this->hasFullWidthFormActions()" />
    </x-filament-panels::form>

    @if (count($relationManagers = $this->getRelationManagers()))
        <x-filament-panels::resources.relation-managers :active-manager="$activeRelationManager" :managers="$relationManagers" :owner-record="$record"
            :page-class="static::class" />
    @endif
    <x-filament::section>
        <x-slot name="heading">
            Upload de mailing
        </x-slot>
        <livewire:upload-mailing :campaign="$record" />
    </x-filament::section>
</x-filament-panels::page>