code: def forgot_password():
      
  
      form_class = _security.forgot_password_form
  
      if request.is_json:
          form = form_class(MultiDict(request.get_json()))
      else:
          form = form_class()
  
      if form.validate_on_submit():
          send_reset_password_instructions(form.user)
          if not request.is_json:
              do_flash(*get_message('PASSWORD_RESET_REQUEST',
                       email=form.user.email))
  
      if request.is_json:
          return _render_json(form, include_user=False)
  
      return _security.render_template(config_value('FORGOT_PASSWORD_TEMPLATE'),
                                       forgot_password_form=form,
                                       **_ctx('forgot_password'))
docs: View function that handles a forgotten password request.