izyim/app/Models/ShippingSchedule.php

<?php

namespace App\Models;


class ShippingSchedule extends AbstractModel
{

    protected $table = 'shipping_schedules';

    protected $fillable = [
        'arrangement_id', 'ETD', 'ETA', 'status'
    ];

    public function shippingArrangement()
    {
        return $this->belongsTo(ShippingArrangement::class, 'arrangement_id');
    }

    public function customIssue()
    {
        return $this->hasOne(OrderStep::class, 'schedule_id');
    }
}