| Description |
| Customer Login ID. Used as a user-friendly name for the customer for authentication purposes. Maps directly to Customer Permanent ID.Some implementations may allow a user to change his or her Login ID. When the CustId is used in messages between a Customer and a Service Provider, the CustPermId element is an optional element and the CustLoginId is a required element. |
| Type : Element |
| DataType : AssignedIdentifier_NoID |
| Parents |
| CUSTOMERID_CHOICE |