ERB Code:
Netcordia.report.reports.notifications_defaults = <%=notification_defaults.to_json%>;


JS code:
                schedBtn.on('click', Netcordia.reports.schedule_dialog.createInterceptor(
                                function() {
                                  return Netcordia.report.reports.notifications_defaults['EmailSMTPServer'] === null;
                                }, schedBtn
                                ).createDelegate(schedBtn, [title, pFile, reportParams, record], true));