refID: You can retrieve the reference ID from the response of the Get event log by request ID API. Reference ID is a combination of {orgId}{uniqueId}. For example, for a transactionAdd event it is {orgId}{transactionId}, for a customerAdd event, it is {orgId}{userId}, for points redemption it is {orgId}{redemptionId}.
Example url: https://eu.intouch.api.capillarytech.com/v3/webHooks/eventLog/refId/2000089_123563158