Document Description File Type Size pega-20210331.xsd XBRL Taxonomy Extension Schema EX-101.SCH 56 KB pega-20210331_cal.xml XBRL Taxonomy Extension Calculation Linkbase EX-101.CAL 124 KB pega-20210331_def.xml XBRL Taxonomy Extension Definition Linkbase EX-101.DEF 219 KB pega-20210331_lab.xml XBRL Taxonomy Extension Label Linkbase EX-101.LAB 597 KB pega-20210331_pre.xml XBRL Taxonomy Extension Presentation Linkbase EX-101.PRE 387 KB pega-20210331_htm.xml XML 1378 KB