Document Description File Type Size pega-20200612.xsd XBRL Taxonomy Extension Schema EX-101.SCH 3 KB pega-20200612_lab.xml XBRL Taxonomy Extension Label Linkbase EX-101.LAB 18 KB pega-20200612_pre.xml XBRL Taxonomy Extension Presentation Linkbase EX-101.PRE 11 KB d947582d8k_htm.xml XML 4 KB