Notice: Undefined variable: firstName in Drupal\authentication\Form\ContactUsForm->buildForm() (line 36 of modules/custom/authentication/src/Form/ContactUsForm.php).
Notice: Undefined variable: lastName in Drupal\authentication\Form\ContactUsForm->buildForm() (line 61 of modules/custom/authentication/src/Form/ContactUsForm.php).
Notice: Undefined variable: email in Drupal\authentication\Form\ContactUsForm->buildForm() (line 85 of modules/custom/authentication/src/Form/ContactUsForm.php).
Notice: Undefined variable: phoneNumber in Drupal\authentication\Form\ContactUsForm->buildForm() (line 110 of modules/custom/authentication/src/Form/ContactUsForm.php).