I want to loop for get all file in folder DTa (not in folder report)

Please guide me about it.
I want to loop for get all file in folder DTa (not in folder report)

Please guide me about it.
@Angel_Llull It show name folder report.
But I want read folder report. (all folder)
Read file name as below.

Doing what I said is reading the docs from “report” folder?
I tried in my PC and it was just giving me the names of docs in Dta (no report folder)