Get started with Realtime Force.

1. Understanding the Streaming API
Quick start guide to RealTime Force
@gwestr
Greg Wester

2. Safe Harbor
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assumptions. If any such uncertainties materialize or if any of the assumptions prove incorrect, the
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forward-looking statements we make. All statements other than statements of historical fact could be
deemed forward-looking statements, including: any projections of earnings, revenues, or other
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any statements concerning new, planned, or upgraded services or developments; statements about
current or future economic conditions; and any statements of belief. The risks and uncertainties
referred to above include - but are not limited to - risks associated with our new business model; our
past operating losses; possible fluctuations in our operating results and rate of growth;
interruptions or delays in our Web hosting; breach of our security measures; the immature market in
which we operate; our relatively limited operating history; our ability to expand, retain, and motivate
our employees and manage our growth; risks associated with new releases of our service; and risks
associated with selling to larger enterprise customers. Further information on potential factors that
could affect the financial results of salesforce.com, inc. are included in our registration statement
(on Form S-1) and in other filings with the Securities and Exchange Commission. These documents
are available on the SEC Filings section of this Web site. Salesforce.com, inc. assumes no obligation
and does not intend to update these forward-looking statements. Any unreleased services or
features referenced in this or other press releases or public statements are not currently available
and may not be delivered on time or at all. Customers who purchase our services should make the
purchase decisions based upon features that are currently available.

3. Agenda
• Introducing RealTime Force
• Sample application
• Code walk through
• Q&A

4. Streaming 101
• An API that delivers near real time notifications
• Uses industry standard technique – “comet”
• Does not count against REST/SOAP API daily limit
• Available right now for all Salesforce customers

5. Streaming Surface Area
• Notification generated on SObject create or update
• One change in the system will notify many users
• respects existing CRUD, FLS, sharing rules
•Opt in to notifications by creating a SOQL query
• administrators create queries for organization

6. Streaming Terminology
• Long polling
• Event
• Notification
• Push Topic
• Bayeux Protocol
• handshake
• subscribe
• connect
• unsubscribe
• disconnect

7. Streams of JSON

8. Getting Started
• Start with a VisualForce Page
• Add a JavascriptCometD client
• Asynchronously wait for events
• Update the page through the DOM

9. Demo

10. Code: Apex Page

11. Code: CometD JS Client init

12. Code: CometD JS handler

13. Q&A
•Documentation –http://tinyurl.com/cometsfdc
• Code – http://github.com/gwestersfdc/StreamingLab
• Streaming Lab on AppExchange soon

14. Thank you!
•Follow me on Twitter - @gwestr