mapping supress

hello experts,

I got the following scenario:

Node

@ id

@ description

for all the records in the input file should I check that @id exists in sap, so that

if there is -> the record is valid for the interface

does not exist -> this record should not be at the interface

I am using a UFD in this function check to see if the id exists or not.

The SAP R3 function give me a exception if the id don't exist, my questions are:

1 .- how to handle returned by the exception in my UFD R3 (my knowledge of java is very low)?

2 .- How to XI indicated that the register has given an exception should not be treated in my interface?

thanks very much,