.settings.php

См. документацию.

<?php
return [
    'controllers' => [
        'value' => [
            'namespaces' => [
                '\\Bitrix\\Landing\\Controller' => 'api'
            ],
            'defaultNamespace' => '\\Bitrix\\Landing\\Controller'
        ],
        'readonly' => true
    ],
    'ui.entity-selector' => [
        'value' => [
            'entities' => [
                [
                    'entityId' => 'landing',
                    'provider' => [
                        'moduleId' => 'landing',
                        'className' => '\\Bitrix\\Landing\\Connector\\Ui\\SelectorProvider'
                    ]
                ]
            ],
            'extensions' => ['landing.entity-selector']
        ],
        'readonly' => true
    ]
];