save_post_post_type

//add_action( 'save_post_tribe_events', 'usasf_save_events', 10, 3 );
function usasf_save_events( $post_id, $post, $update ) {
    // verify if this is an auto save routine. 
    // If it is our form has not been submitted, so we dont want to do anything
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) 
        return;

    // Check permissions
    if ( 'page' == $post->post_type ) {
      
    if ( !current_user_can( 'edit_page', $post_id ) )
        return;
        
    } else {
      
    if ( !current_user_can( 'edit_post', $post_id ) )
        return;
        
    }
  
    $repeater = get_field( 'discount_pricing_range', $post_id );
    
    $current_date = date( 'Ymd' );
  
    $order = array();
  
    // populate order
    foreach( $repeater as $i => $row ) {
	    $order[ $i ] = $row['pricing_range_start_date'];
    }
    
    // multisort
    array_multisort( $order, SORT_ASC, $repeater );
    
    foreach( $repeater as $repeat ) {
        
        if ( $current_date <= $repeat['pricing_range_end_date'] && $current_date >= $repeat['pricing_range_start_date'] ) {
            
            $product_id = USASFidFromMeta::get_post_id_by_meta_key_and_value( '_tribe_wooticket_for_event', $post_id );
            
            update_post_meta( $product_id, '_regular_price', $repeat['pricing_range_price'] );
            update_post_meta( $product_id, '_price', $repeat['pricing_range_price'] );
            
            wc_delete_product_transients();
            
            break;
            
        }
        
    }
    
}