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": "ean13", "description": "Generates an EAN13 barcode as a PNG or returns an error based on a given 12-13 length code. For a 12-digit code, the check digit is automatically calculated; for a 13-digit code, the check digit is verified.", "parameters": {"code": {"description": "A 12 or 13 character string representing the barcode.", "type": "str", "default": "9788804660243"}}}]
Generate EAN13 barcodes for products with codes '123456789012' and '987654321098'.
user
assistant
[{"name": "ean13", "arguments": {"code": "123456789012"}}, {"name": "ean13", "arguments": {"code": "987654321098"}}]