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": "aliexpress_item_description", "description": "Fetches the detailed description of an AliExpress item using its item ID.", "parameters": {"itemid": {"description": "The ID of the AliExpress item.", "type": "int", "default": "3256804591426248"}, "locale": {"description": "The locale for displaying titles and content in the selected language. Defaults to None.", "type": "str, optional", "default": ""}}}, {"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"}}}]
Retrieve the product information for a UPC barcode 9876543210123 from Kohl's database.
user
assistant
[{"name": "products_search_by_barcode", "arguments": {"upc": "9876543210123"}}]