You can now create more responsive Applications with Client Handlers and Validators in Google Apps Script.

- Using Client Handlers, your application can now respond to events in the browser without the need to perform a round trip to Google Apps Script servers.
- Support for validators in handlers. Validators allow handlers to check simple and complex conditions before they are invoked.

Editions included:
Google Apps, Google Apps for Business, Government and Education

For more information:
http://googleappsdeveloper.blogspot.com/2011/11/creating-more-responsive-applications.html

New look available for Gmail, Calendar, Docs and Sites! Find out more at whatsnew.googleapps.com/new-look

whatsnew.googleapps.com
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