IF THIS (New screenshot taken on Android device), THEN THAT (save/upload it to Microsoft's OneDrive)
Trigger service: Android Photos New screenshot: This Trigger fires every time a new screenshot is taken on your Android device. Action service: OneDrive Add file from URL: This Action will download a file at a given URL and add it to OneDrive at the path you specify. NOTE: 30 MB file size limit. If new screenshot, then add file from URL to G.R's OneDrive.