this makes possible adding extra attributes to models

app/Models/Setting/Setting.php

@@ -20,12 +20,25 @@ class Setting extends Eloquent
      */
     protected $fillable = ['company_id', 'key', 'value'];
 
-    public $extras = [
+    public $allAttributes = [
         //
     ];
 
     public $timestamps = false;
 
+    /**
+     * Create a new Eloquent model instance.
+     *
+     * @param  array  $attributes
+     * @return void
+     */
+    public function __construct(array $attributes = [])
+    {
+        $this->allAttributes = $attributes;
+
+        parent::__construct($attributes);
+    }
+
     public function company()
     {
         return $this->belongsTo('App\Models\Common\Company');