There are two primary ways to prompt the user for input. You can either use confirm to display a multiple choice dialog (such as yes/no/cancel), or input to process a more complex input.
The confirm function prompts the user with a dialog and a multiple answers a user can select from. Let's try a simple example:
let answer = confirm('Is cat your favorite animal?', "&yes\n&no")echo answer
If you execute the script, you'll get the following prompt:

Hitting y or n will select an option. Let's hit y:

The result of this is 1. Now, what if ...