companion_proxy_client_free companion_proxy_client_new companion_proxy_client_start_service companion_proxy_client_t companion_proxy_error_t companion_proxy_get_device_registry companion_proxy_get_value_from_registry companion_proxy_receive companion_proxy_send companion_proxy_start_forwarding_service_port companion_proxy_start_listening_for_devices companion_proxy_stop_forwarding_service_port companion_proxy_stop_listening_for_devices

companion_proxy_get_value_from_registry() companion_proxy_error_t companion_proxy_get_value_from_registry ( companion_proxy_client_t  client, const char *  companion_udid, const char *  key, plist_t *  value  ) Returns a value for the given key. Parameters client The companion_proxy client companion_udid UDID of the (paired) companion device key The key to retrieve the value for Note The device closes the connection after sending the reply. Returns COMPANION_PROXY_E_SUCCESS on success, COMPANION_PROXY_E_INVALID_ARG when client or paired_devices is invalid, COMPANION_PROXY_E_UNSUPPORTED_KEY if the companion device doesn't support the given key, or a COMPANION_PROXY_E_* error code otherwise.