Concept of UDP's in Message Broker

1.If we specified in the message flow's User defined properties panel some values like dsn,schema then in the flow we need to declare using 'EXTERNAL' keyword & give some null values within single quotes.The values that we mention in the ESQL code are not effected with the values in the Message flow USer defined properties panle.

Ex:- DECLARE cDATABASE EXTERNAL CHARACTER '';

2. No need to create UDP in flow but using ESQL coding we can create UDP

Ex:-DECLARE cDATABASE EXTERNAL CHARACTER 'EAI';