def METHOD_NAME(item):
	columns = [
		{
			"fieldname": "variant_name",
			"label": _("Variant"),
			"fieldtype": "Link",
			"options": "Item",
			"width": 200,
		}
	]
	item_doc = frappe.get_doc("Item", item)
	for entry in item_doc.attributes:
		columns.append(
			{
				"fieldname": frappe.scrub(entry.attribute),
				"label": entry.attribute,
				"fieldtype": "Data",
				"width": 100,
			}
		)
	additional_columns = [
		{
			"fieldname": "avg_buying_price_list_rate",
			"label": _("Avg. Buying Price List Rate"),
			"fieldtype": "Currency",
			"width": 150,
		},
		{
			"fieldname": "avg_selling_price_list_rate",
			"label": _("Avg. Selling Price List Rate"),
			"fieldtype": "Currency",
			"width": 150,
		},
		{"fieldname": "current_stock", "label": _("Current Stock"), "fieldtype": "Float", "width": 120},
		{"fieldname": "in_production", "label": _("In Production"), "fieldtype": "Float", "width": 150},
		{
			"fieldname": "open_orders",
			"label": _("Open Sales Orders"),
			"fieldtype": "Float",
			"width": 150,
		},
	]
	columns.extend(additional_columns)
	return columns