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": "youtube_video_details", "description": "Fetches detailed information about a YouTube video using the provided video ID or URL.", "parameters": {"is_id": {"description": "The video ID or video URL for a YouTube video. Examples include:", "type": "str", "default": "SmM0653YvXU"}}}]
Provide information about the videos with IDs 'QRS345' and 'TUV678'?
user
assistant
[{"name": "youtube_video_details", "arguments": {"is_id": "QRS345"}}, {"name": "youtube_video_details", "arguments": {"is_id": "TUV678"}}]