diff --git a/dotCMS/src/main/java/com/dotcms/analytics/query/AnalyticsQuery.java b/dotCMS/src/main/java/com/dotcms/analytics/query/AnalyticsQuery.java
index e7b9d23c1c43..4d7bc5d9391a 100644
--- a/dotCMS/src/main/java/com/dotcms/analytics/query/AnalyticsQuery.java
+++ b/dotCMS/src/main/java/com/dotcms/analytics/query/AnalyticsQuery.java
@@ -6,7 +6,29 @@
 import java.util.Set;
 
 /**
- * Encapsulates a simplificated query for the analytics backend
+ * Encapsulates a simple query for the analytics backend
+ * Example:
+ * <pre>
+ *     {
+ *     "query": {
+ *         "dimensions": [
+ *             "Events.experiment",
+ *             "Events.variant",
+ *             "Events.lookBackWindow"
+ *         ],
+ *         "measures": [
+ *             "Events.count"
+ *         ],
+ *         "filters": "Events.variant = ['B']",
+ *         "limit": 100,
+ *         "offset": 1,
+ *         "timeDimensions": "Events.day day",
+ *         "orders": "Events.day ASC"
+ *     }
+ * }
+ *
+ * @see AnalyticsQueryParser
+ * </pre>
  * @author jsanca
  */
 @JsonDeserialize(builder = AnalyticsQuery.Builder.class)
diff --git a/dotCMS/src/main/java/com/dotcms/analytics/query/FilterParser.java b/dotCMS/src/main/java/com/dotcms/analytics/query/FilterParser.java
index 039840064283..c176db1fabdf 100644
--- a/dotCMS/src/main/java/com/dotcms/analytics/query/FilterParser.java
+++ b/dotCMS/src/main/java/com/dotcms/analytics/query/FilterParser.java
@@ -10,6 +10,12 @@
 
 /**
  * Parser for a filter expression
+ * Example:
+ * <pre>
+ *     FilterParser.parseFilterExpression("Events.variant = ['B'] or Events.experiments = ['C']");
+ * </pre>
+ * should return 2 tokens and 1 logical operator
+ * Tokens are member, operator and values (Events.variant, =, B) and the operator is 'and' or 'or'
  * @author jsanca
  */
 public class FilterParser {
diff --git a/dotCMS/src/main/java/com/dotcms/analytics/query/OrderParser.java b/dotCMS/src/main/java/com/dotcms/analytics/query/OrderParser.java
index 4d571d88878f..06dbb61e37ea 100644
--- a/dotCMS/src/main/java/com/dotcms/analytics/query/OrderParser.java
+++ b/dotCMS/src/main/java/com/dotcms/analytics/query/OrderParser.java
@@ -6,6 +6,13 @@
 
 /**
  * Order parser
+ * Example:
+ * <pre>
+ *     OrderParser.parseOrder("Events.day     ASC");
+ * </pre>
+ *
+ * should return Events.day and ASC (term and order)
+ * if the order is not ASC or DESC or is missing will throw {@link IllegalArgumentException}
  * @author jsanca
  */
 public class OrderParser {
diff --git a/dotCMS/src/main/java/com/dotcms/analytics/query/TimeDimensionParser.java b/dotCMS/src/main/java/com/dotcms/analytics/query/TimeDimensionParser.java
index d056fd082e5f..92db4faa9651 100644
--- a/dotCMS/src/main/java/com/dotcms/analytics/query/TimeDimensionParser.java
+++ b/dotCMS/src/main/java/com/dotcms/analytics/query/TimeDimensionParser.java
@@ -5,6 +5,13 @@
 
 /**
  * Time Dimension Parser
+ * Example:
+ * <pre>
+ *     TimeDimensionParser.parseTimeDimension("Events.day day");
+ * </pre>
+ *
+ * This should return Events.day and day (term and field)
+ *  Note: this is not support intervals for dates, but will introduce on the future
  * @author jsanca
  */
 public class TimeDimensionParser {