Placeholder in Symfony 4
->add('fullName', null, [ 'label' => 'Kontaktperson', 'attr' => [ 'placeholder' => 'Contact person name' ], ])
->add('fullName', null, [ 'label' => 'Kontaktperson', 'attr' => [ 'placeholder' => 'Contact person name' ], ])
Manage Input field by Vue js