### Example of a straight wizard with a callback function bound to the 'before_step_shown event'

- Straight wizard with three steps.
- Callback bound to the 'before_step_shown' event
- Validation plugin enabled for the email field on the second step.
- Form plugin enabled and beforeSubmit and success callbacks are used.

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First step - Name
First name
Surname
Step 2 - Personal information
Social Security Number
-
Phone number
- -
*Email
Last step - Username
User name
Password
Retype password