user: As a data analyst, I'm dealing with a dataset that needs to be sorted for my analysis. I have these numbers [34, 2, 56, 7, 9, 12], but they need to be in descending order for the report I'm preparing. Could you sort this array for me?

Available functions:
name: sort_array
description: Sorts an array of numbers.
parameters: type: dict
properties: array: type: array
items: type: integer
description: The array of numbers.
reverse: type: boolean
description: Whether to sort the array in reverse order, i.e., descending order.
default: no
required: array