Adding Additional Fields (Events Calendar PRO)

function addCustomField($label, $type = 'text', $default = '') {
    $customFields = tribe_get_option('custom-fields');
    $fieldExists = false;

    // Check in case the "new" custom field is already present
    foreach ($customFields as $field) {
        if ($field['label'] === $label)
            $fieldExists = true;
    }

    // If it is not, add it
    if ($fieldExists === false) {
        $index = count($customFields) + 1;

        $customFields[] = array(
            'name' => "_ecp_custom_$index",
            'label' => $label,
            'type' => $type,
            'values' => $default
        );

        tribe_update_option('custom-fields', $customFields);
    }
}


addCustomField('Past and present members of Star Trek in attendance');