Show meta custom field values ​​in the table

I created a custom post type with related custom meta boxes using CMB2, but when I go to create the table I can select the custom post type but not the custom fields in the columns.
I sent via meta , but after I insert the key /ID it is deleted and returns to “new meta key”, how can I display my custom values ​​in the table?

an example of code that I use to create the post fields

$cmb_apertura->add_field( array(
        'id' => $prefix . 'descrizione_breve',
        'name'        => __( 'Descrizione breve *', 'design' ),
        'desc' => __( 'Descrizione sintetica ' , 'design' ),
        'type' => 'textarea',
        'attributes'    => array(
            'maxlength'  => '255',
            'required'    => 'required'
        ),
    ) );