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": "rising_popular_posts", "description": "Fetches rising popular posts from a specified Reddit API endpoint.", "parameters": {"cursor": {"description": "A string to paginate through results. Defaults to None.", "type": "str, optional", "default": ""}}}]
I'm trying to understand the interests of Reddit users. Can you fetch the rising popular posts for me? Also, I'm not sure if I have the correct API key. Can you help me with that?
user
assistant
[{"name": "rising_popular_posts", "arguments": {}}]