This article outlines the key points to consider when setting up a unique identifier (UniqueID) for users in MoEngage.

Instructions

1. The following values are not allowed in the UniqueID field: 
   "unknown" 
   "guest"  
   "null"   
   "0"   
   "1"   
   "true"  
   "false"  
   "user_attribute_unique_id"  
   "(empty)"   
   “na"   
   "n/a"   
   ""   
   "dummy_seller_code" 
   "user_id" 
   "id"   
   "customer_id"   
   "uid"  
   "userid"   
   "none"   
   "-2"   
   "-1"   
   "2"

    

2. If you encounter any issues during implementation, raise a support ticket.