Document Description File Type Size pega-20201231.xsd XBRL Taxonomy Extension Schema EX-101.SCH 81 KB pega-20201231_cal.xml XBRL Taxonomy Extension Calculation Linkbase EX-101.CAL 172 KB pega-20201231_def.xml XBRL Taxonomy Extension Definition Linkbase EX-101.DEF 326 KB pega-20201231_lab.xml XBRL Taxonomy Extension Label Linkbase EX-101.LAB 951 KB pega-20201231_pre.xml XBRL Taxonomy Extension Presentation Linkbase EX-101.PRE 600 KB pega-20201231_htm.xml XML 2183 KB