def METHOD_NAME():
	fields_to_index = frappe.db.get_single_value("E Commerce Settings", "search_index_fields")
	fields_to_index = fields_to_index.split(",") if fields_to_index else []
	mandatory_fields = ["name", "web_item_name", "route", "thumbnail", "ranking"]
	fields_to_index = fields_to_index + mandatory_fields
	return fields_to_index