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": "user_aliases", "description": "Gets a list of user aliases and the timestamps when they were changed.", "parameters": {"is_id": {"description": "The Steam ID of the user for whom the aliases are retrieved.", "type": "str", "default": "sindex"}}}, {"name": "get_player_details", "description": "Retrieves player details based on the provided username and region.", "parameters": {"name": {"description": "The username of the player. This is case sensitive.", "type": "str", "default": "CoreJJ"}, "region": {"description": "The region of the player.", "type": "str", "default": "na"}}}, {"name": "show_moves", "description": "Fetches and returns the moves of a specific character from the Marvel vs Capcom 2 API.", "parameters": {"name": {"description": "The name of the character whose moves are to be retrieved.", "type": "str", "default": "Akuma"}}}]
Retrieve the player details for 'Caps' in the 'EUW' region.
user
assistant
[{"name": "get_player_details", "arguments": {"name": "Caps", "region": "EUW"}}]