title: Pass date value from one session to another session in the same workflow
body: <p>I have two sessions i a workflow like below</p>
  
  <p>workflow1->session1->session2</p>
  
  <p>i have a join_date column in a table in Mapping1 , in session1</p>
  
  <p>i want to pick this join_date value and pass to  mpping2/session2</p>
  
  <p>If join date value changes in the table in session1 then the same value should pick and pass to session2</p>
  
  <p>I will use this date value in a query in session2 .</p>
  
  <p>Please tell me how to achieve this?</p>
  
  <p>Thank you</p>