How to delete file with BP

Hello, everyone i need you help.

When te player kill the boss, the game take screenshoot wild command “HighResShot 1” after 50 sec i show the screenshoot.
The problem is “HighResShot” increment the name file on folder. (_000 / _001 etc…)

There are any options on HighResShot to remplace the old shot to the new shot or delete older file or to use same name?

Thank you !