hasOne(PaymentOptionAccessGroup::class, 'group_id'); } public function payment_option_exclude_group() { return $this->hasOne(PaymentOptionExcludeGroup::class, 'group_id'); } public function sf_guard_group_permission() { return $this->hasOne(SfGuardGroupPermission::class, 'group_id'); } public function sf_guard_user_group() { return $this->hasOne(SfGuardUserGroup::class, 'group_id'); } }