-       public function buildForm(FormBuilderInterface $builder, array $options) {
-               return parent::buildForm($builder, $options)
-                       ->add('phone', TelType::class, array('attr' => array('placeholder' => 'Your phone'), 'constraints' => array(new NotBlank(array('message' => 'Please provide your phone')))));
+       public function buildForm(FormBuilderInterface $builder, array $options): FormBuilderInterface {
+               //Call parent build form
+               $form = parent::buildForm($builder, $options);
+
+               //Add extra phone field
+               if (!empty($options['phone'])) {
+                       $form->add('phone', TelType::class, ['attr' => ['placeholder' => 'Your phone'], 'required' => false]);
+               }
+
+               //Add extra pseudonym field
+               if (!empty($options['pseudonym'])) {
+                       $form->add('pseudonym', TextType::class, ['attr' => ['placeholder' => 'Your pseudonym'], 'required' => false]);
+               }
+
+               //Add extra slug field
+               if (!empty($options['slug'])) {
+                       $form->add('slug', TextType::class, ['attr' => ['placeholder' => 'Your slug'], 'required' => false]);
+               }
+
+               //Return form
+               return $form;