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": "categorytournaments", "description": "Fetches all leagues from a specific E-Sports category using the given category ID.", "parameters": {"is_id": {"description": "The category ID for which you want to retrieve all leagues.", "type": "int", "default": 1572}}}]
I'm looking for leagues under the category ID 161718, particularly those that are popular among casual gamers.
user
assistant
[{"name": "categorytournaments", "arguments": {"is_id": 161718}}]