{{ form_start(form) }}
{{ form_row(form.lastName,{'attr' : {'oninvalid': "InvalidMsg(this)",'oninput': "InvalidMsg(this)"}}) }}
{{ form_row(form.firstName,{'attr' : {'oninvalid': "InvalidMsg(this)",'oninput': "InvalidMsg(this)"}}) }}
{{ form_row(form.email,{'attr' : {'oninvalid': "InvalidMsg(this)",'oninput': "InvalidMsg(this)"}}) }}
{{ form_end(form) }}