add cpt to available cpt options in advisor quiz

addcpt.php

// Create Arrays to populate Query Builder with all available post types
add_filter( 'advq_admin_build_quiz', 'advq_coupon_cpt' );

function advq_coupon_cpt( $queryfields ) {

	$fields          = array();
	$fields['label'] = 'Coupon';

	// search
	$fields['search'] = array(
		'search-by' => array(
			'label' => __( 'Search Keyword', 'advq' ),
		),
	);

	// IDs array
	$fields['post__in'] = array(
		'post__in' => array(
			'label' => __( 'IDs', 'advq' ),
		),
	);

	// build taxonomy options
	$taxonomies = get_object_taxonomies( 'shop_coupon', 'object' );

	foreach ( $taxonomies as $tax ) {

		if ( $tax->public == 1 ) {

			$opts  = array();
			$terms = get_terms(
				array(
					'taxonomy'   => $tax->name,
					'hide_empty' => false,
				)
			);

			foreach ( $terms as $key => $value ) {
				$opts[ $value->term_id ] = $value->name;
			}

			$fields['taxonomy'][ $tax->name ]['label']   = $tax->label;
			$fields['taxonomy'][ $tax->name ]['options'] = $opts;
		}
	}

	$queryfields[ 'shop_coupon' ] = $fields;

	return $queryfields;
}