How can files be separated if, when uploading from 1C, they freely generate a name?

Question

1C-Bitrix

This question arose at the junction of 1C and Bitrix,
tell me, what is the solution? Maybe the question is not really as complicated as its wording?

Files will be downloaded from 1C:
Installation instructions (.pdf format)
Photometric data (.ies format)
3D model (.3ds format)
Dimensional drawing (.png format)
Print leaflet (.pdf format)
Certificate (.jpg format)
REQUIRED :
Clarify how files can be separated if, when uploading from 1C, they freely generate a name, while there are several files of the same format.

Answer 1

Franco Mannino : achieve name unification when unloading from 1C. order no./specification/other. Other: what are you going to do next in Bitrix?