This function is deprecated, use system.dataset.exportCSV.
Exports the contents of a dataset as a CSV file, prompting the user to save the file to disk. This function works exactly the same as system.dataset.exportCSV.
system.dataset.exportCSV(filename, showHeaders, dataset)
String filename - A suggested filename to save as.
boolean showHeaders - If true (1), the CSV file will include a header row.
Dataset dataset - The dataset to export.
String - The path to the saved file, or None if the action was canceled by the user.