How do I use the List to CSV Mapping Step?

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How do I use the List to CSV Mapping Step?

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I’m trying to use a SQL Query step to get data from a database table and convert that data to a CSV file.
Whenever I run the flow the List to CSV Mapping step I gives me an “Object reference not set to an instance of an object” error.
What am I missing?

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Youre getting this error because this step involves a nontraditional mapping method.
In the [b]List to CSV Mapping Step[/b]s Properties panel, there is a mapping editor link called [b]Show Item Mapping Editor[/b].
This mapping editor is easy to overlook, and is necessary to route input data to the [b]List to CSV Mapping[/b] step.

Ive detailed the basics of making this step function in the attached images:

[img]att2[/img]

[img]att1[/img]

[img]att3[/img]
[i]edited by Brendan@decisions.com on 8/6/2019[/i]