Update Submissions and add fields

app/Models/System.php

@@ -0,0 +1,26 @@
+<?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 $updated_at
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System query()
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System whereName($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System whereSlug($value)
+ * @method static \Illuminate\Database\Eloquent\Builder<static>|System whereUpdatedAt($value)
+ * @mixin \Eloquent
+ */
+class System extends Model
+{
+    protected $fillable = ['name', 'slug'];
+}