In Announcements page you will be able to announce your Twitter contacts about the events that you are scheduling.
Click on Announcements link, under Community menu:
Once the page opens you can connect your account to Twitter account:
A new window will open you can need to insert your Twitter account credentials.
Once the two accounts connected, all your Twitter contact will be displayed here:
1. Click here to log out of your Twitter account.
2. Check the boxes of the contact you want to send a message to.
3. Click here to select all contact from the list
4. Click here to deselect all contacts.
5. Insert here the message text you want to send.
6. Click here to send the announcement to selected contacts.