A Subscriber Base always has the following list of properties, given below. Access to a property's value happens through a dot. To get the value of the id property, you need to write base.id
Here are the properties you can get.
General fields
base.id — data type: integer. Unique identifier of the subscriber base, does not change over time.
base.project_id — data type: integer. Unique identifier of the project in which the subscriber base was created, does not change over time.
base.title — data type: string. The name of the Subscriber Base, which can be edited.
base.subscribers_count — data type: integer. Represents the number of subscribers in this subscriber base.
base.created_at — data type: integer. This is the timestamp in unix timestamp format when the subscriber base was created. Does not change over time.
base.unsubscribe_page_message — data type: string. This is arbitrary text that a subscriber will see if they land on the unsubscribe page.
base.preferred_language — data type: string. Length two characters. This is the language code that will be used to communicate with the subscriber by default. For example, the language of the subscription confirmation email.