invoice update

app/Models/InvoiceItem.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class InvoiceItem extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'invoice_id',
+
+        'description',
+        'ctn',
+        'qty',
+        'ttl_qty',
+        'unit',
+        'price',
+        'ttl_amount',
+
+        'cbm',
+        'ttl_cbm',
+
+        'kg',
+        'ttl_kg',
+
+        'shop_no',
+    ];
+
+    /****************************
+     * Relationships
+     ****************************/
+
+    public function invoice()
+    {
+        return $this->belongsTo(Invoice::class);
+    }
+}