A report builder is a data structure that allows you to build a report with a list of records and a list of fields. You can add fields to the report and then generate a CSV representation of the report.

Create a new report builder with a list of records.

Add a field to the report builder.

Set the name of the report builder.

This is used for generating the filename when downloading the CSV.

Convert a report builder to a CSV string.

Generate a command to download the CSV representation of the report builder.