wip fix

app/Models/ClientGroupList.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ClientGroupList extends Model
+{
+    protected $casts = [
+        'client_groups' => 'array',
+    ];
+
+    protected $fillable = [
+        'name',
+        'sport_id',
+        'client_id',
+        'client_groups',
+    ];
+
+    public function client_group()
+    {
+        return $this->belongsTo(CompetitionGroup::class)->with('country');
+    }
+}