Not really, preffered approach is to leverage experience event schema just trying to see if the other way also works.

I am doing it websdk way but by creating custom field group with custom field names in the product array and then using processing rules to map product details using processing rules. But not sure if it's going to work or not as we are currently in implementation phase. 

Thanks Abhinav this is very helpful.I tried to create a similar code by taking additional evars into consideration and designed an array to match productListItem array structure. Can you see below code and confirm if this works and merch evars will get mapped properly. Also, is it can we manipulate ...

During analytics implementation using websdk I am getting a product array using ACDL on website for commerce events and want to fetch those value in launch and pass it as entire array in xdm data element mapping. Also, need to pass some of the values as evars and events in product string. What shoul...

I have seen suggestions for not using merchandising evars for product variables but adobe product string structure mention merchandising evars should be used. Is there any major impact of using standard evars over merchandising evars. 

Just for confirmation on above i am also trying to map certain product level data like category, subcategory, ratings, instock details, etc. in product array using "productListItems[]._experience.analytics.customDimensions.eVars.eVar1" for product dimensions and "productListItems[]._experience.analy...