laravel excel export with drawing

fileexport.php

<?php

namespace App\Exports;

use App\Models\Pengaduan;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithTitle;

use Maatwebsite\Excel\Concerns\WithDrawings;
use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;

class PengaduanExport implements FromCollection, WithHeadings, WithTitle, WithDrawings
{
    protected $requestawal;
    protected $requestakhir;


    function __construct($requestawal, $requestakhir)
    {
        $this->requestawal = $requestawal;
        $this->requestakhir = $requestakhir;
    }
    public function collection()
    {
        $Pengaduan = Pengaduan::select(

            // 'pengaduanID',
            'pengaduanTiket',
            'nama_lengkap',
            'no_hp',
            'email',
            'no_kk',
            'no_ktp',
            'alamat_sesuai_ktp',
            'nama_pengaduan',
            'jenis_pengaduan',
            'isi_pengaduan',
            'dokumen_pendukung',
            'dokumentasi',
            'status',
            'keterangan',
            // 'lampiran',
            // 'created_by',
            // 'edited_by',
            // "created_at",
            // "updated_at",
        )->whereBetween('tanggal_surat', [$this->requestawal, $this->requestakhir])->get();
        return $Pengaduan;
    }

    public function headings(): array
    {
        return [
            'pengaduanTiket',
            'nama_lengkap',
            'no_hp',
            'email',
            'no_kk',
            'no_ktp',
            'alamat_sesuai_ktp',
            'nama_pengaduan',
            'jenis_pengaduan',
            'isi_pengaduan',
            'dokumen_pendukung',
            'dokumentasi',
            'status',
            'keterangan',
            'lampiran',
            // "created_at",
            // "updated_at"
        ];
    }

    public function title(): string
    {
        return 'Pengaduan';
    }
    public function drawings()
    {
        $Pengaduan = Pengaduan::select(
            'pengaduanTiket', // a
            'nama_lengkap', // b
            'no_hp', // c
            'email', // d
            'no_kk', // e
            'no_ktp', // f
            'alamat_sesuai_ktp', // g
            'nama_pengaduan', // h
            'jenis_pengaduan', // i
            'isi_pengaduan', // j
            'dokumen_pendukung', // k
            'dokumentasi', // l
            'status', // m
            'keterangan', // n
            'lampiran', // o
        )->whereBetween('tanggal_surat', [$this->requestawal, $this->requestakhir])->get();


        $gambar1 = [];
        $rowNum = 2;
        foreach ($Pengaduan as $row) {
            $file1 = new Drawing();
            if ($row->dokumen_pendukung == null || $row->dokumen_pendukung == "") {
                $file1->setPath(public_path('/assets/images/default.jpg'));
            } else {
                $file1->setPath(public_path('/assets/uploads/images/pengaduan/') . $row->dokumen_pendukung);
            }
            $file1->setheight(20);
            $file1->setCoordinates('N' . $rowNum); //kolom name
            $gambar1[] = $file1;
            $rowNum++;
        }
        // return $gambar1; 



        $gambar2 = [];
        $rowNum = 2;
        foreach ($Pengaduan as $row) {
            $file2 = new Drawing();
            if ($row->dokumentasi == null || $row->dokumentasi == "") {
                $file2->setPath(public_path('/assets/images/default.jpg'));
            } else {
                $file2->setPath(public_path('/assets/uploads/images/pengaduan/') . $row->dokumentasi);
            }
            $file2->setheight(20);
            $file2->setCoordinates('N' . $rowNum); //kolom name
            $gambar2[] = $file2;
            $rowNum++;
        } 

        $gambar3 = [];
        $rowNum = 3;
        foreach ($Pengaduan as $row) {
            $file3 = new Drawing();
            if ($row->lampiran == null || $row->lampiran == "") {
                $file3->setPath(public_path('/assets/images/default.jpg'));
            } else {
                $file3->setPath(public_path('/assets/uploads/images/pengaduan/') . $row->lampiran);
            }
            $file3->setheight(20);
            $file3->setCoordinates('N' . $rowNum); //kolom name
            $gambar3[] = $file3;
            $rowNum++;
        } 
        return [$gambar1, $gambar2];
    }
}