# Illumina Protein Prep Automation System Output Files

The Illumina Protein Prep Automation System Output File (IPPAS output file) is a .csv file that's produced after automated library prep is completed. It contains the following fields:

<table><thead><tr><th width="264">Column Header</th><th>Description</th></tr></thead><tbody><tr><td>Sample ID</td><td>Identifier per sample. Specified in Sample Manifest prior to automation.</td></tr><tr><td>Well position</td><td>Well position of the sample. Specified in Sample Manifest prior to automation.</td></tr><tr><td>Project</td><td>Optionally contains information about what project output a file should contain. See <a href="../../run-setup/lane-splitting-and-project-splitting">Lane Splitting and Multi-Analysis</a> by Project for more details.</td></tr><tr><td>PlateBarcode</td><td>Barcode associated with plate. Specified in Sample Manifest prior to automation.</td></tr><tr><td>BatchID</td><td>User-provided batch identifier</td></tr><tr><td>InputType</td><td>Sample input type, either plasma, serum, plamsa_calibrator, serum_calibrator, plasma_QC, serum_QC, or blank. Specified in Sample Manifest prior to automation.</td></tr><tr><td>MatrixTubeBarcode</td><td>Barcode associated with matrix tube. Specified in Sample Manifest prior to automation.</td></tr><tr><td>ControlID</td><td>Lot number for associated calibrator, QC, or blank sample.</td></tr><tr><td>ProbePlate</td><td>Proteomics Probe Plate barcode scanned during Proteomics Assay.</td></tr><tr><td>SOMAmerBeadPlate</td><td>SOMAmer-Bead Plate Dil 1 barcode.</td></tr><tr><td>Lanes</td><td>Optionally contains information about lane splitting. See <a href="../../run-setup/lane-splitting-and-project-splitting">Lane Splitting and Multi-Analysis</a> by Project for more details.</td></tr></tbody></table>