<?php namespace App\Models; use Illuminate\Database\Eloquent\Factories\HasFactory; use Illuminate\Database\Eloquent\Model; use Illuminate\Database\Eloquent\Relations\BelongsTo; use Illuminate\Database\Eloquent\SoftDeletes; class PackingSlip extends Model { use HasFactory, SoftDeletes; protected $fillable = [ 'order_id', 'customer_id', 'date_received', 'amount', 'contents', ]; public function customer(): BelongsTo { return $this->belongsTo(Customer::class); } }