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contains

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

Type: Boolean

Parameters

NameTypeValue
sessionIdStringSession ID
recipientIdStringRecipient ID

Return values

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

Note: Usually, only one client-wide unsubscribe list exists.

Code structure

boolean contains(String sessionId, String recipientId)