The AdWords API will sunset on April 27, 2022. Migrate to the Google Ads API to take advantage of the latest Google Ads features.

enum UserListMembershipStatus (v201809)

Membership status of the user list. This status indicates whether a user list can accumulate more users and may be targeted to.

Enumeration Description
OPEN Open status - list is accruing members and can be targeted to.
CLOSED Closed status - No new members being added. Can not be used for targeting.