Realization Feed XML Data Shopping: All necessary attributes
This page lists all the attributes you need to make sure that your products show up in Google Shopping. Some attributes are required for all items, some only for certain types of items (such as clothing) and others are only recommended. If you do not specify a required attribute for an article, that article may not appear in Google results; if you do not specify recommended attributes, the items could be displayed with less frequency. Read the entire document to be certain that your products show on Shopping. For basic information about data feed, please see this article. Before creating the xml feed, choose the appropriate file format to you.
CONSTRUCTION DATA FEED FOR GOOGLE SHOPPING
To understand how to handle the realization for Google Shopping Data Feed, we explain briefly what are the activities to be performed for proper implementation of the feed. First we start by saying that a feed is a system that allows a dialogue between two different systems, in Italian means "flow." This data flow is used to transfer the information of your product catalog to Google Merchant System.