Hello, One possible solution I think (for all pivotgrids). procedure TMainForm.UniFormCreate(Sender: TObject); begin UniSession.AddJS( 'var cpnl = Ext.pivot.plugin.configurator.Panel.prototype;'+ 'cpnl.panelAllFieldsTitle = "AllFields!";'+ 'cpnl.panelAggFieldsTitle = "Values!";' //... ); end; All configs: https://docs.sencha.com/extjs/7.4.0/classic/Ext.pivot.plugin.configurator.Panel.html