visitorId property

String? visitorId
getter/setter pair

A unique identifier for tracking visitors with a length limit of 128 bytes.

For example, this could be implemented with an HTTP cookie, which should be able to uniquely identify a visitor on a single device. This unique identifier should not change if the visitor logs in or out of the website. Maximum length 128 bytes. Cannot be empty.

Required.

Implementation

core.String? visitorId;