The Definitive Guide to Data Quality
not sure about what you're expected, but there no way to add a 'click button' in Talend Interface as it.
The problem is that I haven't found a way to access and manipulate the parameters of a component
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Kickstart your first data integration and ETL projects.
Part 2 of a series on Context Variables
Learn how to do cool things with Context Variables
Find out how to migrate from one database to another using the Dynamic schema