{"name":"rollDice","description":"Roll a dice with a customizable size (defaults to 20-sided).","input":{"type":"object","description":"Input must be under the 'input' key. diceSize is any positive integer.","example":{"diceSize":6}},"output":{"type":"object","description":"The result of the dice roll.","example":{"output":{"diceSize":6,"result":4}}}}