user sent an email with excel file (contains uniqe name).there is an inbound action contains the script above.the script creating record on sys_data_source table and set all the values from the script well.the excel file from the email is not attache...
Thanks Matthew,now it does execute the transform but it stack on 'Loading' state.the email log shows that the excel spreadsheet uploaded but it desappear from the form and not forwarding to the Data Source record that created by the inbound action.