How to send photos and videos in chat application?

I want to make a chat application that can send photos and videos, but I can’t find a way to send photos and videos, someone please help me. Paid.

Well, searching “Chat” in community gives many great topics, for example this:

With this extension you can send pictures, files and audio. But I don’t think video is supported yet or ever will be, for that you will have to ask the extension developer.