In the "Documents and Media" Portlet, we should be able to send by email the id and the url of a document that we just added or updated.
1. Click the gear in the right-top corner of the portlet "Messages"
2. Click "Configuration"
3. Click "Setup"
4. Click "Message Added Email" or "Message Updated Email"
For example, in the "Messages" Portlet we have those two field :
We should have the values in the "Documents and Media" Portlet :