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": "gas_price", "description": "Fetches the current gas price for a specified blockchain using a single API call.", "parameters": {"chain": {"description": "The blockchain to get the current gas price for. Supported values are listed above. If not specified, the default value is None.", "type": "str, optional", "default": ""}}}]
What is the current gas price for Ethereum and Binance?
user
assistant
[{"name": "gas_price", "arguments": {"chain": "ethereum"}}, {"name": "gas_price", "arguments": {"chain": "binance"}}]