$recordId="873040000000074005";
$ch=curl_init();
curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch,CURLOPT_URL,"https://crm.zoho.com/crm/private/xml/Quotes/uploadFile?authtoken=6169e6024147f05cfd8fb1f00ba58d3c&scope=crmapi");
curl_setopt($ch,CURLOPT_POST,true);
$post=array("id"=>$recordId,"content"=>$path);
curl_setopt($ch,CURLOPT_POSTFIELDS,$post);
$response=curl_exec($ch);