name:
  '#type': textfield
  '#title': 'Your Name'
  '#title_display': none
  '#placeholder': Name
  '#autocomplete': 'off'
  '#required': true
  '#default_value': '[current-user:display-name]'
email:
  '#type': email
  '#title': 'Your Email'
  '#title_display': none
  '#placeholder': Email
  '#autocomplete': 'off'
  '#required': true
  '#default_value': '[current-user:mail]'
actions:
  '#type': webform_actions
  '#title': 'Submit button(s)'
  '#submit__label': 'Sign up'
  '#submit__attributes':
    class:
      - submit-btn