You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "countries_detail", "description": "Fetch detailed information of a country from the unofficial Shein API.", "parameters": {"region": {"description": "The region code to fetch details for a specific country. Default is 'US'.", "type": "str", "default": "US"}}}, {"name": "products_search_by_barcode", "description": "Search for a product in the Kohl's database using its UPC barcode.", "parameters": {"upc": {"description": "The Universal Product Code of the product to be searched.", "type": "str", "default": "194574942221"}}}]
I'm looking for details on Brazil and Mexico from Shein. Additionally, what product has UPC 223344556677?
user
assistant
[{"name": "countries_detail", "arguments": {"region": "BR"}}, {"name": "countries_detail", "arguments": {"region": "MX"}}, {"name": "products_search_by_barcode", "arguments": {"upc": "223344556677"}}]