Extension API

Contract version 1 (LocatorExtensionApi::CONTRACT_VERSION). Free defines the interfaces. Pro and third-party packages hook in via events.

Feature providers

Interface FeatureProviderInterface, event OnYandexMapsLocatorRegisterFeatureProviders:

Method	Purpose
capabilities()	Tags (pro → REST v1)
frontendModules()	ES modules for locator.js (src is an absolute URL from the site root)
apiFields()	Extra REST fields (?fields=)

ProFeatureProvider: capability pro, module /assets/components/yandexmapslocatorpro/js/pro.js, API fields is_open_now, working_hours_schedule, CSV processors.

Filters

Interface FilterInterface, event OnYandexMapsLocatorRegisterFilters.

Free: category. Pro: working_now, minishop_product.

REST hooks

• OnYandexMapsLocatorSerializeLocation: fields for one location (data by ref)
• OnYandexMapsLocatorBeforeApiResponse: full response payload

See Events, REST API.