We will utilize the core hook_form_alter hook to alter the core contact form to display placeholders for name and e-mail fields. We will be adding this code to the d8dev.module file:
In PhpStorm, open the
d8dev.modulefile in your custom module at/modules.Next, switch over to the browser with the core contact form loaded, and find the
form_idof the form element. Right-click on the page and click on View source code. On the next page, you can see HTML code. Now search forform_idand you will find thatcontact_message_feedback_form isthe required form ID.In another way, we can use the
drupal_set_message()core function to find theform_id. To do this, we need to add the following code on top of thed8dev.modulefile:use Drupal\Core\Form\FormStateInterface; /** * Implements hook_form_alter(). */ function d8dev_form_alter(&$form, FormStateInterface $form_state, $form_id) { drupal_set_message($form_id); }Now, reload...