User Key of the user who initiates the call.

ID of the list.

Client ID of the client in which the list is located.

Status of the list.

Name of the default sender of the list.

Email of the default sender of the list.

Redirection URL on subscribing to the list.

Redirection URL on confirming the subscription to the list.

Redirection URL on unsubscribing to the list.

Webhook URL for the list.

Rules for the segment if sublist_id is provided.