siopas-istw-website/app/Imports/CustomerImport.php

<?php

namespace App\Imports;

use App\Models\Customer;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Maatwebsite\Excel\Concerns\ToModel;
use Maatwebsite\Excel\Concerns\WithHeadingRow;

class CustomerImport implements ToModel, WithHeadingRow
{
    /**
     * @param array $row
     *
     * @return \Illuminate\Database\Eloquent\Model|null
     */
    public function model(array $row)
    {
        // Mendapatkan informasi pengguna yang sedang login
        $user = Auth::user();

        return new Customer([
            'name' => $row['name'],
            'code_customer' => $row['code_customer'],
            'lot_no' => $row['lot_no'],
            'no_tlp' => $row['no_tlp'],
            'address' => $row['address'],
            'created_by' => $user->fullname,
        ]);
    }
}