To show total number of closed P1 incidents which was illustrated in a trend (count of incident every month). (#892)

Author: sheikhafsarzap

GlideAggregate/getTotal of aggregate value/README.MD

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+### GlideAggregate - getTotal()
+
+#### Script to get total of aggregate value
+
+Example
+To show total number of closed P1 incidents which was illustrated in a trend (count of incident every month).

GlideAggregate/getTotal of aggregate value/getTotal.js

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+var trend = new GlideAggregate('incident');  
+trend.addTrend ('closed_at','month');
+trend.addQuery('priority',1);
+trend.addQuery('state',7);  
+trend.addAggregate('COUNT');  
+trend.query();  
+while(trend.next()) {  
+   gs.print(trend.getValue('timeref') + ': ' + trend.getAggregate('COUNT'));  
+}  
+gs.print('Total closed incidents: ' + trend.getTotal('COUNT'));