docs(gantt): add relevant KB articles 2

Author: pepinho24

controls/gantt/functionality/custom-tasks-fields.md

@@ -11,7 +11,9 @@ position: 5
 # Custom Tasks Fields
 
 
-With the 2014 Q2 SP1 version you can now use **Custom Task** objects to populate the **Gantt**,providing you with the ability to add user defined Properties to be shown in the control. In order to use a custom Task class you have to create a custom Provider, like the one shown in the [Custom EntityFramework Provider help article]({%slug gantt/data-binding/providers/custom-entityframework-provider%}). Sample Code Library can be downloaded from [here](http://www.telerik.com/support/code-library/gantt-custom-columns).
+With the 2014 Q2 SP1 version you can now use **Custom Task** objects to populate the **Gantt**, providing you with the ability to add user defined Properties to be shown in the control. 
+
+In order to use a custom Task class you have to create a custom Provider, like the one shown in the [Use CustomFields in Gantt with a simple CustomProvider](https://www.telerik.com/support/kb/aspnet-ajax/gantt/details/use-customfields-in-gantt-with-a-simple-customprovider) KB article or the [Custom EntityFramework Provider help article]({%slug gantt/data-binding/providers/custom-entityframework-provider%}) article. Sample Code Library can be downloaded from [here](http://www.telerik.com/support/code-library/gantt-custom-columns).
 
 ![gantt-custom-tasks-field](images/gantt-custom-tasks-field.png)
 
@@ -297,6 +299,10 @@ task.set_decription("my new description");
 
 # See Also
 
+ * [Use CustomFields in Gantt with a simple CustomProvider](https://www.telerik.com/support/kb/aspnet-ajax/gantt/details/use-customfields-in-gantt-with-a-simple-customprovider)
+ 
+ * [RadGantt with Simple CustomProvider using collections in Session](https://www.telerik.com/support/kb/aspnet-ajax/gantt/details/radgantt-with-simple-customprovider-using-collections-in-session)
+
  * [Layout]({%slug gantt/structure/layout%})
 
  * [Tasks]({%slug gantt/server-side-programming/objects/tasks%})