Stancl/Tenancy Filament 3

public function boot(): void
{
    // ...

    Livewire::setUpdateRoute(function ($handle) {
        return Route::post('/livewire/update', $handle)
            ->middleware(
                'web',
                'universal',
                InitializeTenancyByDomain::class, // or whatever tenancy middleware you use
            );
    });
}