report.event.registration.tree report.event.registration tree report.event.registration.graph report.event.registration graph report.event.registration.search report.event.registration search Events Analysis report.event.registration form tree,graph {"search_default_year":1,"search_default_this_month":1,"search_default_365day":1, "search_default_invoiced":1, "search_default_event":1, 'group_by_no_leaf':1, 'group_by':[]} tree graph