Contact Form's Submit Handler

Generally when I’m trying to alter a submit handler through a form alter I do this… array_unshift($form[‘#submit’], ‘_email_subscription_form_submit_global_handler’); But the contact form that’s built into Drupal 8 has the submit handler much more nested, and I have to do this… array_unshift($form[‘actions’][‘submit’][‘#submit’], ‘_email_subscription_form_submit_global_handler’); I end up[…]