89gsc

<?php
add_filter('frm_success_filter', 'add_the_download_form_button', 1000, 2);
function add_the_download_form_button($type, $form)
{
    // If this is the download form we can now check for a file.
    if ($form->id == 4
        && isset($_POST)) {

        $pid = null;

89gsc

add_filter('gform_pre_render', function($form)
{
    $user_consent_form = get_field('user_contact_preferences_form', 'option');
    if ($user_consent_form) {
        if ($form['id'] === (int)$user_consent_form) {
            // This should return an array if its set.
            $user_consent_marketing = get_user_meta(get_current_user_id(), 'marketing_consent');

            if ($user_consent_marketing) {
                // find out which field is "marketing_consent"

89gsc

// Replace YOUR_NEW_HOOK_NAME with the correct hook you want to output at, this should be within the form on the checkout still...
// I just needed to move mine from the addresss to somewhere else on the checkout. 

$mailchimp_options = get_option('mailchimp-woocommerce');
if($mailchimp_options && isset($mailchimp_options['mailchimp_checkbox_action'])) {
    $mailchimp_options['mailchimp_checkbox_action'] = 'YOUR_NEW_HOOK_NAME';
    update_option('mailchimp-woocommerce', $mailchimp_options);
}