I know that some sql procedure statement I can used in trigger, but I got error, when I try this:

CREATE TRIGGER NEW_TRIG_TEST
AFTER INSERT ON FH04T18
FOR EACH ROW MODE DB2SQL
DECLARE l_proces varchar(50) DEFAULT 'TRIGGER';
DECLARE l_param varchar(50) DEFAULT 'USE';

.....


is it possible to used DECLARE statement in trigger?

Did you get the message from DB2 ?

You must use declare variables within BEGIN ATOMIC ... END in triggers

Thank you for zor help now it is OK.
I have another problem with DECLARE EXIT HANDLER.
Is it possible to do this in trigger?

I think u cannot use condition handlers within triggers.