Select from database to Business variable

Data connector (SELECT) and business variables instanciation

Hi everyone,

I've some problem with Data connector (MySQL) and business variables instanciation.
I have a Business Variables data, List of Business Data Product.
Product.id a double.
Product.description a String.

In my data connector, I make a select request like "SELECT product.id, product.description FROM dbb".

I don't know how to instanciate the business variable with this resultset. Here my work (doesn't works) :

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