| Name | Type | Require | Description |
| Description | String | true | Information about this parameter file |
| Program | String | true | The program used in the identification |
| Database Name | String | true | The specific database used in the identification |
| Database Version | String | true |   |
| Parameters File | String | true | URI link to the machine-outputted parameters file |
| Fixed Modifications | String | false | Details of expected fixed modifications |
| Variable Modifications | String | false | Details of potential modifications |
| Mass Value Type | String | false | The type of the submitted mass values |
| Mass Error Type | String | false | Type of error in mass measurements |
| N Terminal Aa | String | false | N-terminal amino acid of the peptide |
| C Terminal Aa | String | false | C-terminal amino acid of the peptide |
| Name Of Counted Aa | String | false | Name of the counted amino acid |
| Regex Pattern | String | false | The 'regular expression' search pattern employed |
| Taxonomical Filter | Integer | false | What, if any, taxonomy filter was applied |
| Max Missed Cleavages | Integer | false | Maximum number of uncleaved cleavage sites allowed |
| Fragment Ion Tolerance (m/z) | Double | false | Degree of tolerance for fragment ions |
| Peptide Mass Tolerance (m/z) | Double | false | Degree of tolerance when comparing peptide masses |
| Accurate Mass Mode | Boolean | false | Whether accurate mass mode was employed |
| Mass Error (m/z) | Double | false | Estimation of error in measured masses |
| Protonated | Boolean | false | Whether data corrected by one hydrogen mass |
| Icat Option | Boolean | false | Whether the software's ICAT option was selected for the search |
| Count Of Specific Aa | Integer | false | Number of a particular amino acid |
| Tandem Sequence Data | TandemSequenceData[] | false | Details of sequence information obtained through MSMS |
| Ontology Entry | OntologyEntry[] | false | Genericrecord,linked to ontology entries,for capturing non-standard analyte processing methods |