Update Submissions and add fields

app/Models/Category.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @property int $id
+ * @property string $name
+ * @property string $slug
+ * @property \Illuminate\Support\Carbon|null $created_at
+ * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property array<array-key, mixed>|null $restricted_to
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category query()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category whereName($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category whereRestrictedTo($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category whereSlug($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|Category whereUpdatedAt($value)
+ * @mixin \Eloquent
+ */
+class Category extends Model
+{
+    protected $fillable = ['name', 'slug', 'restricted_to'];
+
+    protected $casts = [
+        'restricted_to' => 'array',
+    ];
+
+}