Gravity Forms Download Lead Capture: CMB2 Configuration

cmb2-configuration.php

<?php // Don't include opening PHP tag

add_filter( 'cmb2_meta_boxes', 'cmb2_download_metabox' );

/**
* Define the metabox and field configurations.
*
* @param  array $meta_boxes
* @return array
*/
function cmb2_download_metabox( array $meta_boxes ) {

    // Start with an underscore to hide fields from custom fields list
    $prefix = '_cgd_';
    
    // Metabox for Download Custom Post Type
    $meta_boxes['download_settings'] = array(
        'id'            => 'download_settings',
        'title'         => 'Download Settings',
        'object_types'  => array( 'download', ), // Only Show on Download CPT
        'context'       => 'normal',
        'priority'      => 'high',
        'show_names'    => true,
        'fields'        => array(
            array(
                'name'  => 'Download File',
                'desc'  => 'Upload the file that you would like to offer as a download.',
                'id'    => 'download_file',
                'type'  => 'file',
            ),
        ),
    );

    return $meta_boxes;
}