function register_mysettings_facebookpixel()
{
//register our settings
register_setting('fbkPixel-settings-group', 'fbk_pixel_id');
register_setting('fbkPixel-settings-group', 'fbk_pixel_currency');
register_setting('fbkPixel-custom-settings-group', 'fbk_pixel_custom_id');
$helper = new HelperPixel();
$audienceOptions = $helper->getAudienceOptions();
foreach ($audienceOptions as $option) {
register_setting('fbkPixel-custom-settings-group', 'fbk_pixel_custom_option_' . $option);
}
}
