Choose File
The Choose File interface is very similar to the Choose Image interface and works just like it.
File Sources
My Device
Files can be uploaded directly from your computer using the select files method or using drag and drop into the upload area.
Connect to your Facebook account to draw a file from your Facebook account.
Google Drive
Connect to your Google Drive account to draw a file from your Google Drive.
Dropbox
Connect to your Dropbox account to draw a file from your Dropbox account.
Link (URL)
You can link to a file online.
