wc_1cu_after_item_add snippet to identify the funnel

wc_1cu_after_item_add.php

<?php

add_action('wc_1cu_after_item_add', 'custom_after_item_add');
function custom_after_item_add($order){
   
    if( !empty( $_GET['1cu_n'] ) && !empty( $order ) )
    {
        //get funnel for the $order
        $funnel = gb_ocu_get_funnel_for_order_items( $order );

        if( !empty( $funnel ) && !empty( $funnel['id'] ) && !empty( $funnel['funnel_offers'] ) )
        {
            //check the funnel name
            if( $funnel['funnel_name'] ==  "Funnel Name" )
            {
                $funnel['funnel_offers'] = maybe_unserialize( $funnel['funnel_offers'] );

                $offer_id = intval( $_GET['1cu_n'] );
                
                //get product_id for the specific offer
                if( isset( $funnel['funnel_offers'][ $offer_id ]['product_id'] ) )
                {
                    $product_id = $funnel['funnel_offers'][ $offer_id ]['product_id'];
                    
                    //addition code here
                    
                }
            
            }
        }
    }
}