Mulesoft 3
As discussed in previous post, to use pipe operator as separator. Navigate to Reader Configuration of Transformation message component

and provide required value in separator , In our case, its pipe operator

Mulesoft 4
To use Pipe separator in Mulesoft 4, we need to configure it in File Read component, instead of Transformation message component unlike Mulesoft 3

Hi Jitendra,This is a excellent video just one thing how could I generate rejected/error file in Mule with whole record like data loader produced error file after loading. We can get the error message but not able to produce with whole record with message.