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": "getmessage", "description": "Retrieves message details based on the provided message ID using the Toolbench RapidAPI service.", "parameters": {"message_id": {"description": "The unique identifier of the message to retrieve.", "type": "int", "default": ""}}}, {"name": "get_contacts", "description": "Retrieves all contacts using the provided API key and returns the response in either JSON or CSV format.", "parameters": {"p": {"description": "API Key from Sms77.io.", "type": "str", "default": ""}, "json": {"description": "Specifies whether to return the response in JSON format. If not provided, the response will be in CSV format.", "type": "str, optional", "default": ""}}}, {"name": "settag", "description": "Sets a new tag for the SMS receive service using the provided RapidAPI key.", "parameters": {"tag": {"description": "The value of the new tag, with a maximum length of 16 characters.", "type": "str", "default": ""}}}, {"name": "validatetest", "description": "Validate any phone number from any country using the given RapidAPI key.", "parameters": {"number": {"description": "Phone number to be validated. This can be provided in two formats:", "type": "str", "default": "+59894887766"}, "country": {"description": "ISO 3166-1 alpha-2 code of the country in capital letters. This is optional if the number parameter starts with the + symbol. Defaults to None.", "type": "str, optional", "default": ""}}}]
Retrieve all contacts in JSON format using the API key 'def456' and validate the phone number '9876543210' without specifying the country.
user
assistant
[{"name": "get_contacts", "arguments": {"p": "def456", "json": "true"}}, {"name": "validatetest", "arguments": {"number": "9876543210"}}]