diff --git a/src/datasource-zabbix/metricFunctions.js b/src/datasource-zabbix/metricFunctions.js
index ca04c32..9e6b920 100644
--- a/src/datasource-zabbix/metricFunctions.js
+++ b/src/datasource-zabbix/metricFunctions.js
@@ -103,6 +103,16 @@ addFuncDef({
   defaultParams: ['1m'],
 });
 
+addFuncDef({
+  name: 'percentil',
+  category: 'Aggregate',
+  params: [
+    { name: 'interval', type: 'string' },
+    { name: 'percent', type: 'string' }
+  ],
+  defaultParams: ['1m','95'],
+});
+
 addFuncDef({
   name: 'min',
   category: 'Aggregate',