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": "users", "description": "Fetch all users from the specified API endpoint.", "parameters": {"connection_string": {"description": "The connection string used to connect to the API.", "type": "str", "default": "the code gotten from the web"}}}, {"name": "aliexpress_item_detail_2", "description": "Fetch detailed information for a specific AliExpress item.", "parameters": {"itemid": {"description": "The AliExpress product ID.", "type": "int", "default": "3256804591426248"}, "currency": {"description": "The currency in which to display the product price. Valid values are listed in the '**Currency List**' at the '**Base**' group endpoints.", "type": "str, optional", "default": ""}, "region": {"description": "The region to accurately get shipping costs and other promotions specific to a geographic location. Valid values are listed in the '**Country List**' at the '**Base**' group endpoints.", "type": "str, optional", "default": ""}, "locale": {"description": "The locale to display titles and other content in the selected language. Valid values are listed in the '**Locale List**' at the '**Base**' group endpoints.", "type": "str, optional", "default": ""}}}]
Fetch all users from the API endpoint with connection string 'last_connection_string'. Also, retrieve detailed information for the AliExpress item with ID 987456321, displaying the price in British Pounds, and content in English.
user
assistant
[{"name": "users", "arguments": {"connection_string": "last_connection_string"}}, {"name": "aliexpress_item_detail_2", "arguments": {"itemid": 987456321, "currency": "GBP", "locale": "en"}}]