Follow the below steps: -


Step: - 1


- If the element is available in the Ad Management tab then,


go to CMS - Website Management - Ad Management - Find the element and put ad code using "Custom Ad Code" or use the "Banner Ad" for placing any banner ad.



Step: - 2


- If the element is not in the Ad Management tab then,

go to CMS - Website Management - Ad Management - Add New Element (for creating new category-specific Ad element)


Give page name and element as below: -


Page Type 
news_listing_7321848
As we are creating ad spaces for the category listing page
Elementad_after_nav



Note: - "7321848" this number is the ID of category, for which we are going to create ad space, and you can find this ID using 


CMS - System Management - Categories - Uid




When you are ready with the element, you can put the Ad code using "custom ad code" or you can use "Banner Ad" for placing any Banner Ad.


Note: - For creating common ad slots for all category pages use Page - news_listing 
and for separate category pages use Page - news_listing_categoryID (where you have to change the categoryID)