functions.php

<?php

/*
$a = db insert array 
$file_id = the ID of the file
$post = the form post object

*/
add_action('sp_cdm_after_file_insert','my_file_insert',10,3);

function my_file_insert($a, $file_id ,$post){

  global $wpdb;
 
 #get the full path of the file to do something
 $full_path_file = '' . SP_CDM_UPLOADS_DIR . '' . $a['uid']. '/'.$a['file'].'';
 
 
}