Merge pull request #187 from flotiq/feature/23642-implement-array-fil…

…ter-for-not-equal-filter

#23642 implement array filter for not equal filter, doc update

docs/API/content-type/listing-co.md

@@ -321,8 +321,10 @@ Filter types
 | inRange            | Object parameter must be between `filter` and `filter2`, it is only filter type that has three keys in filter object, can be used with number type parameters |
 
 !!! Note
-    The equals filter allows passing multiple elements so that the results are equal to any of them, for example:<br>
-    `{"name":{"type":"equals", "filter":["product-1", "product-2"]}}`
+    The equals and notEquals filters allows passing multiple elements so that the results are equal to any of them, for examples:<br>
+        `{"name":{"type":"equals", "filter":["product-1", "product-2"]}}` <br>
+    or: <br>
+        `{"name":{"type":"notEquals", "filter":["product-1", "product-2"]}}`
 
 !!! Example