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": "loginuser", "description": "Logs a user into the system using the given credentials and RapidAPI key.", "parameters": {"username": {"description": "The username for login.", "type": "str", "default": "string"}, "password": {"description": "The password for login in clear text.", "type": "str", "default": "string"}}}, {"name": "getorderbyid", "description": "Fetches order details given an order ID from the Eric Test Pet API.", "parameters": {"orderid": {"description": "The ID of the order to be fetched. For a valid response, use IDs with values <= 5 or > 10. Other values may generate exceptions.", "type": "int", "default": ""}}}, {"name": "tsv6", "description": "Fetches the variable list within the specified category of a merged data subset along with the metadata.", "parameters": {"dataset": {"description": "The dataset identifier.", "type": "str", "default": "frim1"}, "category": {"description": "The category to filter the data.", "type": "str", "default": "factor"}, "subset": {"description": "The data subset identifier.", "type": "str", "default": "activome"}, "format": {"description": "The desired output format. Default is 'tsv'.", "type": "str, optional", "default": "tsv"}}}, {"name": "exists_exists_ticket_get", "description": "Checks if a ticket exists using the provided RapidAPI key.", "parameters": {"ticket": {"description": "The ticket identifier to be checked.", "type": "str", "default": ""}}}, {"name": "tsv", "description": "Fetches a subset list of a dataset from the specified API along with its metadata.", "parameters": {"dataset": {"description": "The identifier of the dataset to query.", "type": "str", "default": "frim1"}, "format": {"description": "The output format of the data. Defaults to 'tsv'.", "type": "str, optional", "default": "tsv"}}}]
Try to login with username 'user1' and password 'pass123'. Retrieve variable list for dataset 'DS4' with category 'Temperature' and subset 'Autumn'. Check if ticket 'DEF456' exists.
user
assistant
[{"name": "loginuser", "arguments": {"username": "user1", "password": "pass123"}}, {"name": "tsv6", "arguments": {"dataset": "DS4", "category": "Temperature", "subset": "Autumn"}}, {"name": "exists_exists_ticket_get", "arguments": {"ticket": "DEF456"}}]