How to use 'Extract Values' transformation?

Hi,
I am new to EDQ. I have the following requirement - source system sends me partyname+address details. I need to check in the oracle database and if there is a match then send back the ID along with the input details. I am using Lookup check audit process to check if the data is present in the database. If the data is present then I need to send back the ID. To extract the ID I am using 'Extract Values' transformation. I am not able define the Reference Data for this . Can provide a example how to use the same.
Thanks
Prabha

Just use Lookup and Return.
Though it sounds like you really should be using a match process.

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I figured it out that I should do the following:
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