How to add custom product attributes in csv files.
i am using webkul mass upload product module for marketplace . i have created custom product attributes for products which are also reflecting in seller's add new product section .
when i am exporting csv file through seller dashboard custom product attributes are not downloading along with the .csv file. i want to display all the product attributes to download in the .csv file through seller dashboard. any magento expert is there who can help me out to fix this issue.