How this activity pzAddAttachmentsToWork will work?

i am across this pzAddAttachmentsToWork during the creation of a case it says in the history that it will attach all auto attachments to the current work.

can anyone explain how it will add the attatchments during the creation of an case?

@RaghavenderReddy I am unable to find documentation regarding this. Please can you provide more information?

Available docs:

Attaching content to a Case