diff --git a/zabbix/datasource.js b/zabbix/datasource.js
index d5f601f..ff249c4 100644
--- a/zabbix/datasource.js
+++ b/zabbix/datasource.js
@@ -617,31 +617,37 @@ function (angular, _, kbn) {
         search: {
           'description': annotation.query
         },
+        searchWildcardsEnabled: true,
+        expandDescription: true
       };
 
       return this.performZabbixAPIRequest('trigger.get', params)
         .then(function (result) {
           if(result) {
-            var obs = {};
-            obs = _.indexBy(result, 'triggerid');
-
+            var objects = _.indexBy(result, 'triggerid');
             var params = {
               output: 'extend',
-              sortorder: 'DESC',
               time_from: from,
               time_till: to,
-              objectids: _.keys(obs)
+              objectids: _.keys(objects),
+              select_acknowledges: 'extend'
             };
 
+            // Show problem events only
+            if (!annotation.showOkEvents) {
+              params.value = 1;
+            }
+
             return self.performZabbixAPIRequest('event.get', params)
               .then(function (result) {
                 var events = [];
                 _.each(result, function(e) {
+                  var formatted_acknowledges = formatAcknowledges(e.acknowledges);;
                   events.push({
                     annotation: annotation,
                     time: e.clock * 1000,
-                    title: obs[e.objectid].description,
-                    text: e.eventid,
+                    title: Number(e.value) ? 'Problem' : 'OK',
+                    text: objects[e.objectid].description + formatted_acknowledges,
                   });
                 });
                 return events;
@@ -691,4 +697,44 @@ function expandItemName(item) {
     name = name.replace('$' + i, key_params[i - 1]);
   };
   return name;
-};
\ No newline at end of file
+}
+
+
+/**
+ * Convert Date object to local time in format
+ * YYYY-MM-DD HH:mm:ss
+ *
+ * @param  {Date} date Date object
+ * @return {string} formatted local time YYYY-MM-DD HH:mm:ss
+ */
+function getShortTime(date) {
+  var MM = date.getMonth() < 10 ? '0' + date.getMonth() : date.getMonth();
+  var DD = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
+  var HH = date.getHours() < 10 ? '0' + date.getHours() : date.getHours();
+  var mm = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes();
+  var ss = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();
+  return date.getFullYear() + '-' + MM + '-' + DD + ' ' + HH + ':' + mm + ':' + ss;
+}
+
+
+/**
+ * Format acknowledges.
+ *
+ * @param  {array} acknowledges array of Zabbix acknowledge objects
+ * @return {string} HTML-formatted table
+ */
+function formatAcknowledges(acknowledges) {
+  if (acknowledges.length) {
+    var formatted_acknowledges = '<br><br>Acknowledges:<br><table><tr><td><b>Time</b></td><td><b>User</b></td><td><b>Comments</b></td></tr>';
+    _.each(_.map(acknowledges, function (ack) {
+      var time = new Date(ack.clock * 1000);
+      return '<tr><td><i>' + getShortTime(time) + '</i></td><td>' + ack.alias + ' (' + ack.name+ ' ' + ack.surname + ')' + '</td><td>' + ack.message + '</td></tr>';
+    }), function (ack) {
+      formatted_acknowledges = formatted_acknowledges.concat(ack)
+    });
+    formatted_acknowledges = formatted_acknowledges.concat('</table>')
+    return formatted_acknowledges;
+  } else {
+    return '';
+  }
+}
\ No newline at end of file
diff --git a/zabbix/partials/annotations.editor.html b/zabbix/partials/annotations.editor.html
index eb65f53..1ca3d78 100644
--- a/zabbix/partials/annotations.editor.html
+++ b/zabbix/partials/annotations.editor.html
@@ -2,7 +2,15 @@
 	<div class="section">
 		<h5>Zabbix trigger <tip>Example: Lack of free swap space</tip></h5>
 		<div class="editor-option">
-			<input type="text" class="span10" ng-model='currentAnnotation.query' placeholder="Lack of free swap space"></input>
+			<input type="text" class="span10" ng-model="currentAnnotation.query" placeholder="Lack of free swap space"></input>
 		</div>
 	</div>
 </div>
+
+<div class="editor-row">
+  <div class="section">
+    <h5>Options</h5>
+    <input type="checkbox" class="cr1" id="currentAnnotation.okEvents" ng-model="currentAnnotation.okEvents" ng-checked="currentAnnotation.okEvents">
+    <label for="currentAnnotation.okEvents" class="cr1">Show OK events <tip>Show events, generated when trigger release to OK state</tip></label>
+  </div>
+</div>