title: Dynamically Add a Timestamp To Files in Azure Data Factory
body: <p>I am new to ADF, i want to copy an excel from source to Achieve folder with added timestamp to the file, I tried following set up as parameters for source and target and run copy job. its just copying the file to the target not with timestamp. Not sure what to be done to fix this one right
  following is the target filename value
  @concat(replace(pipeline().parameters.pTriggerFile,'.csv',''), '_', formatDateTime(convertTimeZone(utcnow(),'UTC','Eastern Standard Time'),'yyyy-MM-ddTHHmmss'), '.csv')</p>
  <p>Source Dataset
  <a href="https://i.stack.imgur.com/eDSaH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/eDSaH.png" alt="Source dataset" /></a></p>
  <p><a href="https://i.stack.imgur.com/YAF7D.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YAF7D.png" alt="Source dataset parameter" /></a>
  Target dataset
  <a href="https://i.stack.imgur.com/J5tIN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/J5tIN.png" alt="Target s" /></a>
  <a href="https://i.stack.imgur.com/aVUxf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aVUxf.png" alt="Target Dataset Parameter" /></a></p>
  <p><a href="https://i.stack.imgur.com/c1Dab.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/c1Dab.png" alt="Source Copy ADF job" /></a></p>
  <p><a href="https://i.stack.imgur.com/PgXoU.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/PgXoU.png" alt="Sink ADF Job" /></a></p>