Parameters - Client Ref
Client_Ref
| Type: | Alpha-Numeric String |
| Minimum Length: | 1 character |
| Maximum Length: | 50 characters |
This is the unique message reference that you will use when sending a message to enable you to later retrieve the message’s delivery status.
This is set by your application when it invokes a method that requires this parameter. To enable you to check the delivery status of specific message, the Client_Ref you use must be unique.