MessageId Property
Unique identification number for each message.
Syntax
mpi.getMessageId([callback]) mpi.setMessageId( messageId, [callback])
Default Value
""
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for the getMessageId([callback]) method is defined as:
function(err, data){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'data' is the value returned by the method.
The callback for the setMessageId([callback]) method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This field contains a unique identification number for each message sent to any 3-D Secure server. This field must be changed for all Card Range Requests (CCReq), Verify Enrollment Requests (VEReq), and Payer Authentication Requests (PAReq)
Data Type
String