Select the peak table file corresponding to the mzXML file (supports batch comparison of multiple files; mzXML and CSV filenames must be identical). Upload data (.csv format) in the files module. The file must contain two columns: 'mz' (mass-to-charge ratio) and 'rt' (retention time, in seconds). This file is mandatory and defines the analysis scope, extracting only secondary ion mass spectra matching the mz/rt values in the table.