A very old presentation showing how to use the Topic and TopicAssignment objects in Apex.

1. Enhancing the Feed with Chatter
Topics and Apex
Peter Chittum, salesforce.com, Developer Evangelist
@pchittum
Jon Pappas, salesforce.com, Product Manager
@sfdcjp

2. Safe harbor
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This presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties
materialize or if any of the assumptions proves incorrect, the results of salesforce.com, inc. could differ materially from the results
expressed or implied by the forward-looking statements we make. All statements other than statements of historical fact could be
deemed forward-looking, including any projections of product or service availability, subscriber growth, earnings, revenues, or other
financial items and any statements regarding strategies or plans of management for future operations, statements of belief, any
statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services.
The risks and uncertainties referred to above include – but are not limited to – risks associated with developing and delivering new
functionality for our service, new products and services, our new business model, our past operating losses, possible fluctuations in our
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forward-looking statements.

3. Jon Pappas
Product Manager
@sfdcjp
Peter Chittum
Developer Evangelist
@pchittum

5. Social Intelligence at Salesforce
Influence & Expertise
Topics and Trends
Recommendations

6. System of Topics – GA in Summer ‘13
 Reinvented for the enterprise
 Semantic Topic suggestions to assist
 Knowledge curated into Topic Pages
 People and groups talking about topics identified
 Trending topics upgraded and related topics
introduced
 Suite of 23 features to create an ecosystem

7. Past 3 Releases: Topics and Expertise Focus
Nov ’14
June ‘13 Feb’14
`
Spring
Summer Winter
System of
Topics GA
Platform &
Enhancements
Next Generation
Knowledge Discovery
• Topics for Communities
• Topic Pages
• Topic Page- Publisher
• Topic Page- Talking About
• Topic Page- Favorites
• Topic Page- Recent Files
• Topic Page- Related Topics
• Topic Page- Groups Talking
• Topics Listview
• Profiles- Recently Talked About
• Groups- Recently Talked About
• Topics Reporting
• Trending Topics Algorithm Upgrade
• Semantic Topic Suggestions
• Multi-word Hashtags
• Topic Editor on Posts
• Topics in Search Results
• Follow Topics
• Topic Page-
Multidimensional Publisher
• Topic Influence Pilot
• Topic Permission Sets
• Topic Triggers
• Topics Connect for Apex
• Topics for Objects Pilot
• Topics Editor Visualforce
Component
• Knowledgeable People GA
• Endorsements GA
• Topics in Global Search GA
• Topics for Objects GA
• Topics as List View Criteria
• Knowledgeable for Objects Pilot
Topics for Objects Pilot Signup:
http://bit.ly/topicsforobjects

8. Social Intelligence Extends Across Apps & Devices
Mobile Apps
Custom & 3rd Party Business Apps
Chatter Connect API
Access to topics and other sources:
recommendations, experts, feeds,
profiles, groups, messaging, data and
more
Reporting
Run custom reports and create
dashboards to see what people are
talking about.
AppExchange
Extend Topics to 3rd Party Partners in
the AppExchange
Intranets &
Portals

10. Topic Developer Landscape: Data and Triggers
Topic Topic
Assignment
FeedItem
trigger TopicTrigger on Topic
trigger TopicAssignmentTrigger on TopicAssignment
(sObject)

11. Topic Developer Landscape: Apex and API
SELECT Id, EntityId, TopicId FROM TopicAssignment
SOQL/DML:
https://eu2.salesforce.com/services/data/v29.0/connect/topics/trending
REST:
ConnectApi.Topics.getRecentlyTalkingAboutTopicsForUser(null,u.Id).topics
Chatter Connect API Namespace:
Topics

12. Topic Developer Landscape: UI
<topics:widget entity="{!itemId}" />

13. Topics Use Cases
Topic Auto Curation with Triggers
Topic Analytics and Visualization with Visualforce
Topic Actions with Triggers

15. Topic Auto Curation
DevZone
DF13
Dreamforce 13
Dreamforce 2013
Heathcare
GirlyGeeks
GirlGeeks
GirlyGeek
Dreamforce
Healthcare
Housing
Healtcare
Developer
Hotel

16. Solution: Trigger and Custom Setting
Topic Topic
Assignment
FeedItem
(sObject)
“Bad” Topic Alternate Topic Remove Target?
Dreamforce 2013 DF13 ☐
Heathcare Healthcare 

17. Demo

18. Lessons Learned
✔ Recursive trigger
✔ Administration-enabled code
✔ Clean up existing “bad” topics
✔ Duplicate topic assignment forbidden
✔ topics:widget for topic page navigation redirection

20. Standard Reporting: Who is Talking About?

21. What Am I Talking About?
Custom JS Libraries Visualforce Charting

22. Compare My Topics with All Topics

23. Enhanced Chatter Profile with Sub-Tab

24. Demo

25. Lessons Learned
✔ Subtabs for exposing information about users
✔ Visualforce Charting = Easy
✔ Visualforce Charting Data = Case Sensitive Property Names
✔ Lot’s of JS libs for custom presentation
✔ Use of ConnectApi when Appropriate

27. Old Story, New Twist

28. FeedItem Trigger vs TopicAssignment Trigger
Topic Assignment
Topic is first class entity
Case/space insensitive
ConnectApi
Feed Item
Hashtag
Requires text parsing
Topic Topic
Assignment
FeedItem

29. Demo

30. What Else?
Topic Automatic Subscribe Rules
More Enhanced Analytics/Visualization
Topic Administration with Visualforce
Topic Description Population from Web
Topic Naming Rules

31. Coming in Spring ’14
Topics for Objects
Knowledgeable People
& Endorsements
Topics in Global Search

32. More Resources
Invite to Topics Developer Community:
http://bit.ly/topicscommunity
Topics for Objects Pilot Signup:
http://bit.ly/topicsforobjects
1. Topics for Objects Admin Panel
2. Topics Editor Visualforce Component
3. APIs to fetch data and manipulate

33. Jon Pappas
Product Manager,
@sfdcjp
Peter Chittum
Developer Evangelist,
@pchittum