HomeGuidesAPI Reference
Submit Documentation FeedbackJoin Developer CommunityLog In


Queries whether a recipient is contained in a recipient list-based unsubscribe list in Optimizely Campaign.



Recipient list-based unsubscribe lists have been created.



If only one client-wide unsubscribe list exists, this method does exactly the same as contains.

Type: boolean


sessionIdStringID of the session
recipientListIdlongID of the recipient list
recipientIdStringID of the recipient

Return values

  • true: Recipient is found on at least one recipient list-based unsubscribe list
  • false: Recipient is not found on any recipient list-based unsubscribe list

Code structure

boolean containsByRecipientList(String sessionId, long recipientListId, String recipientId)

What’s Next
Did this page help you?