Meta Box

Hi,
here you go:

<?php

function content_element_metaboxes( $meta_boxes ) {
    $prefix = "webx-";
    $type_opt = array(0 => "Text", 1 => "Masonry Gallery", 2 => "Slider", 3 => "Big Picture", 4 => "Map", 5 => "Insta Feed", 6 => "Cite", 7 => "Interview");

    $just_text = array(
        'wpautop' => false,
        'media_buttons' => true,
        'textarea_rows' => 20,
        'teeny' => false,
        'dfw' => false,
        'tinymce' => true,
        'quicktags' => false
    );

    $meta_boxes[] = array(
        'title'      => __('The content', 'webx'),
        'context'    => 'normal',
        'priority'   => 'high',
        'post_types' => array( 'content_element'),
        'geo' => true,
        'fields' => array(
            array(
                'name' => __('Type', 'webx'),
                'id' => "{$prefix}type",
                'type'  => "select",
                'inline' => true,
                'options' => $type_opt
            ),
            array(
                'name' => __('Text', 'webx'),
                'id' => "{$prefix}text",
                'type'  => "wysiwyg",
                'options' => $just_text,
                'hidden' => array( "{$prefix}type", '!=', 0)
            ),
            array(
                'id'               => "{$prefix}gallery",
                'name'             => __('Images', 'webx'),
                'type'             => 'image_advanced',
                'force_delete'     => false,
                'max_file_uploads' => 50,
                'max_status'       => true,
                'visible' => array( "{$prefix}type", 'in', [1, 2, 3])
            ),
            // Map requires at least one address field (with type = text)
            array(
                'id'   =>  "{$prefix}address",
                'name' => __( 'Address', 'webx' ),
                'type' => 'text',
                'std'  => __( 'Innsbruck, Austria', 'webx' ),
                'visible' => array( "{$prefix}type", 4),
            ),
            array(
                'id'            =>  "{$prefix}map",
                'name'          => __( 'Location', 'webx' ),
                'type'          => 'map',
                'std'           => '47.2643292,11.3963643',
                'address_field' => "{$prefix}address",
                'api_key'       => 'AIzaSyBQDh2E_g4_UTvYb5_2y6WClAOCn3VqRLc',
                'visible' => array( "{$prefix}type", 4),
            ),
            array(
                'name' => __('Markers', 'webx'),
                'id' => "{$prefix}markers",
                'type' => 'group',
                'clone'  => true,
                'visible' => array( "{$prefix}type", 4),
                'fields' => array(
                    array(
                        'name' => __('Address', 'webx'),
                        'type' => 'text',
                        'id'    => 'address_marker'
                    ),
                    array(
                        'name' => __('Text', 'webx'),
                        'type' => 'wysiwyg',
                        'id'    => 'markercontent',
                        'options' => $just_text
                    ),
                ),
            ),
            array(
                'id'   =>  "{$prefix}instagram",
                'name' => __( 'Instagram ID', 'webx' ),
                'dec' => __('get it here: ') . ".https://smashballoon.com/instagram-feed/find-instagram-user-id/",
                'type' => 'text',
                'size' => 100,
                'hidden' => array( "{$prefix}type", '!=', 5),
            ),
            array(
                'id'   =>  "{$prefix}cite",
                'name' => __( 'cite', 'webx' ),
                'type' => 'textarea',
                'size' => 100,
                'hidden' => array( "{$prefix}type", '!=', 6),
            ),
            array(
                'id' => "{$prefix}interview-header",
                'name' => __("Title", 'webx'),
                'type' => 'text',
                'size' => 120,
                'hidden' => array( "{$prefix}type", '!=', 7),
            ),
            array(
                'id' => "{$prefix}interview",
                'name' => __("Interview", 'webx'),
                'type' => 'group',
                'hidden' => array( "{$prefix}type", '!=', 7),
                'sort_clone' => true,
                'clone'  => true,
                'fields' => array(
                    array(
                        'name' => __('Question', 'webx'),
                        'type' => 'text',
                        'size' => 80,
                        'id'    => 'question'
                    ),
                    array(
                        'name' => __('Text', 'webx'),
                        'type' => 'wysiwyg',
                        'id'    => 'answer',
                        'options' => $just_text
                    ),
                )

            )

        )
    );
    return $meta_boxes;
}
add_filter( 'rwmb_meta_boxes', 'content_element_metaboxes' );

Thanks, now it's working like a charm...