saveSystemConfiguration example

'data' => $this->container->get(Service::class)->getSystemConfiguration(),
        ]);
    }

    /** * @return void */
    public function saveSettingsAction()
    {
        $this->View()->assign([
            'success' => true,
            'data' => $this->container->get(Service::class)->saveSystemConfiguration(
                $this->Request()->getParams()
            ),
        ]);
    }

    protected function initAcl()
    {
        // read         $this->addAclPermission('assign', 'read', 'Insufficient Permissions');
        $this->addAclPermission('list', 'read', 'Insufficient Permissions');