A simple example for Auditing a  ‘session’ information  mpping ‘m_emp_load’that load ‘emp’ table data to  ‘tgt_emp ‘ table

And here is  mapping that will audit  previous mapping’s session

Two variable created in ‘m_audit_session’ mapping

Espression transformation

for running a  mapping we have to pass a single record using a dummy source

that will contain 1 record

and here is workflow

mapping 'm_audit_session' output is