When you've signed up go back to the 'Home Page' http://www.chiswickw4.com/
Click on 'Community' on the LHS of the screen and you'll get a menu including 'Community'
click on this and then on 'Forum' near the top of the screen- and then on 'New Post'
Enter the 'Topic' and the 'Message' in the boxes and then click on 'Post Message'
The 'Topic' could be 'Next Meeting of the Chiswick Dining Club' and the message could be
'The next Chiswick Dining Club gathering is on xxxxx. If you'd like details of the event please e-mail me by clicking on my name.'