Multiline Setting compleated

app/Models/User.php

@@ -50,6 +50,11 @@ class User extends Authenticatable implements FilamentUser, HasAppAuthentication
         'app_authentication_recovery_codes',
     ];
 
+    public function multiline_user()
+    {
+        return $this->belongsTo(MultilineUser::class);
+    }
+
     /**
      * Get the attributes that should be cast.
      *