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": "about_channel", "description": "Fetches detailed information about a YouTube channel using its ID.", "parameters": {"is_id": {"description": "The ID of the YouTube channel for which information is being fetched.", "type": "str", "default": "UCE_M8A5yxnLfW0KghEeajjw"}}}]
I'm looking for details on the channel 'UC8butISFwT-Wl7EV0hUK0BQ'. Can you help?
user
assistant
[{"name": "about_channel", "arguments": {"is_id": "UC8butISFwT-Wl7EV0hUK0BQ"}}]