Dears,
I occur to a problem in using 'Format data by examples'.
I would like to extract my file name, to get the category name. I got it successfully in 'Format data by examples'.

This is what i would like to have.
While I put it into the 'send email'-body, I cannot get this result. I received the email like this:

My variable setting:

My send email setting:

I only have 2 variables: BU and reportDate, both of them failed to display.
Can anybody help on this?
Thanks a lot.