Create FileExtensionValidator for MultiFileField()

[Abu Yusuf]

How can you validate file-extensions here?
files = MultiFileField(min_num=1, max_num=7)

I have FileExtensionValidator in my models but it's saving all the files without validating the file-extensions.

So, How can I do that?

[Kim Thoenen]

Please reopen if still required.