How to retrieve custom fields in attachment loop?

Hi,
I try to better explain my case.
I have a custom post type with a custom field (an image_advanced) and I want to print all the custom fields of all the images. This because I extended the media attachments with some custom fields.

This is the code of the image_advanced. In the previous comment, I changed the id because of the Italian. this is the original code

array (
'id' => $prefix . 'select_immagini',
'type' => 'image_advanced',
'name' => esc_html__( 'Seleziona immagini', 'text-domain' ),
'max_file_uploads' => 30,
'max_status' => 1,
'add_to_wpseo_analysis' => true,
),

Thank you

yes, I show the "standard" information alt, full_url ecc.
The issue is on the custom field added to the standard attachment. I attach the code

$prefix = 'media_';

$meta_boxes[] = array (
    'title' => esc_html__( 'Descrizione Media', 'text-domain' ),
    'id' => 'descrizione-media',
    'post_types' => array(
        0 => 'attachment',
    ),
    'context' => 'normal',
    'priority' => 'high',
    'autosave' => true,
    'fields' => array(
        array (
            'id' => $prefix . 'Frase2',
            'type' => 'textarea',
            'name' => esc_html__( 'Frase', 'text-domain' ),
        ),
        array (
            'id' => $prefix . 'tag_autori',
            'type' => 'taxonomy',
            'name' => esc_html__( 'Autore', 'text-domain' ),
            'taxonomy' => 'autori',
            'field_type' => 'select',
        ),
        array (
            'id' => $prefix . 'tag_immagine',
            'type' => 'taxonomy',
            'name' => esc_html__( 'Tipologia di immagine', 'text-domain' ),
            'taxonomy' => 'tipologia-di-immagine',
            'field_type' => 'checkbox_list',
            'inline' => true,
        ),
    ),
);

return $meta_boxes;

those fields are attached to the attachment type.

In my code what is not shown is the "Frase2" custom field

<?php
$images = rwmb_meta(‘select_immagini’);
foreach ($images as $index => $image) {
?>
<figure>
” alt=”<?php echo $image[‘alt’]; ?>”>
<figcaption><?php echo rwmb_meta(“Frase2”); ?></figcaption>
</figure>
<?php } ?>

Hi,
starting from this official guide for image_advanced https://docs.metabox.io/fields/image-advanced/
how can I stamp the custom fields associated with the specific image?

Thank you