pds/app/Mail/PanelBoxNotOkAlert.php

<?php

namespace App\Mail;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Mail\Mailable;
use Illuminate\Mail\Mailables\Content;
use Illuminate\Mail\Mailables\Envelope;
use Illuminate\Queue\SerializesModels;

class PanelBoxNotOkAlert extends Mailable
{
    use Queueable, SerializesModels;

    public $plant;
    public $itemCode;
    public $serialNumber;
    public $characteristics;

    public $supplier;

    /**
     * Create a new message instance.
     */
    public function __construct($plant,$itemCode,$serialNumber,$supplier, $characteristics)
    {
        $this->plant = $plant;
        $this->itemCode = $itemCode;
        $this->serialNumber = $serialNumber;
        $this->supplier = $supplier;
        $this->characteristics = $characteristics;
    }

    /**
     * Get the message envelope.
     */
    public function envelope(): Envelope
    {
        return new Envelope(
            subject: 'Panel Box Not Ok Alert',
        );
    }

    /**
     * Get the message content definition.
     */
    public function content(): Content
    {
        $greeting = '<b>Dear Sir</b>';
        return new Content(
            view: 'mail.panel-box-not-ok-alert',
            with: [
                'company' => 'CRI Digital Manufacturing Solutions',
                'greeting' => $greeting,
                'wishes' => 'Thanks & Regards,<br>CRI Digital Manufacturing Solutions',
            ],
        );
    }

    /**
     * Get the attachments for the message.
     *
     * @return array<int, \Illuminate\Mail\Mailables\Attachment>
     */
    public function attachments(): array
    {
        return [];
    }
}