Document Description File Type Size pega-20210428.xsd XBRL Taxonomy Extension Schema EX-101.SCH 2 KB pega-20210428_cal.xml XBRL Taxonomy Extension Calculation Linkbase EX-101.CAL 1 KB pega-20210428_def.xml XBRL Taxonomy Extension Definition Linkbase EX-101.DEF 2 KB pega-20210428_lab.xml XBRL Taxonomy Extension Label Linkbase EX-101.LAB 24 KB pega-20210428_pre.xml XBRL Taxonomy Extension Presentation Linkbase EX-101.PRE 13 KB pega-20210428_htm.xml XML 11 KB