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This topic is part of the manual Journey JavaScript SDK for version Current of Genesys Predictive Engagement.

Learn how to obtain a customer's cookie Id.

About web messaging

Feature coming soon: Web messaging
This article only applies to customers using web chat. If you are a Genesys Cloud customer, we encourage you to use the new web messaging feature to replace web chat.


api.session.getCustomerCookieId returns a string that contains the customer's cookie ID.


ac('api.session.getCustomerCookieId', (err, cookieInfo) => {
  if (err) {
    // handle error
  return cookieInfo;


The callback takes err as the first parameter.