DRAG DROP
A Data Flow task in a SQL Server Integration Services (SSIS) package produces run-time
errors.
You need to edit the package to log specific error messages.
Which three actions should you perform in sequence? (To answer, move the appropriate
actions from the list of actions to the answer area and arrange them in the correct order.)
Answer: 
Add a script task is the part I don’t agree with can anyone confirm that is right?
I think maybe define an expression instead
If you select ‘Define an expression…’, then you can’t pick out three actions from the options. By using a Script Task, you simply configure the ReadOnlyVariable and it’s done.
Given answer is correct