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": "get_home_page_overview", "description": "Fetches trending information displayed on the Spotify home page as an incognito visitor.", "parameters": {"region": {"description": "Region code (ISO 3166 alpha-2) for localized results. Defaults to `None`, which will fallback to `US` if unsupported.", "type": "str, optional", "default": ""}}}]
Please provide the home page overview for Spotify users in Japan.
user
assistant
[{"name": "get_home_page_overview", "arguments": {"region": "JP"}}]