How to Use Salesforce Platform Events to Help With Salesforce Limits

Bypass Salesforce Limits
Using Platform Events
An awesome new tool for your utility belt
Founder
ARRNAV
Roy Gilad

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uncertainties materialize or if any of the assumptions prove incorrect, the company’s results could differ materially from the results expressed or implied by the forward-looking statements we make.
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currency exchange rate and interest rate fluctuations on our results; our business strategy and our plan to build our business, including our strategy to be the leading provider of enterprise cloud computing
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What are Governor limits?
And why should we care?
Do more within Salesforce Governor Limits using Platform Events

Until now… Go Async!
What do we do when we hit a wall?
* Batch of Cookies!

Synchronous vs. Asynchronous
Synchronous
Execution

Synchronous vs. Asynchronous
User Experience Gap

But what if there was another way?

What are Platform Events?

Enter Platform Events
Like a superpower you didn’t even know you had
SObjects__c Platform_Events__e
DMLs (Insert, Update, Delete) Publish (Insert only)
SOQL Streaming API
Triggers Subscribers
Parallel context execution Guaranteed order of execution

Enter Platform Events

Platform Events - Execution Timing

Platform Events - Execution Timing
1
2
3

Other Consideration
SYNCHRONOUS
Governor Limits
2000 > 200
Record per Transaction
CONTROL TRANSACTION SIZE
Dynamically break execution context
EventBus.TriggerContext.currentContext().setResumeCheckpoint(replayId);

Let’s roll up our sleeves and get our
hands on some Platform Events!

Scenario: Mixed DML in Declarative Development
As an administrator, John wants to use Salesforce to obtain and track approvals for
user’s role change. When a request for a role change is approved, he wants the
role to automatically be updated for the related user.
Solve real challenges
with Platform Events

Scenario: Mixed DML in Apex Code
As a developer, Jennifer was tasked to create code that, upon
approval of a Role Change Request, will add the user to a public
group with the same name as their new role, and remove them from
a public group with their old role name.
Admins and Developer
All LOVE Platform Events

Scenario: Chaining Multiple ASync processes
As an Architect, Maggie was tasked with designing a solution to
handle multiple large-volume transactions that have to occur when a
role-change is completed:
- Mass update all opportunities owned by the promoted user
- Recalculate commission payments
- Push opportunity owner updates to the company’s ERP
* The business does not want the 2nd and 3rd tasks to be
performed in sequence, but rather in parallel
Challenge: Salesforce only allows chaining one job at the
end of an async process

Scenario: Chaining Multiple ASync processes
Role Change
Get Opportunities
of Role Changed
Users
Get All User With
Previous Role
And Their
Capacity
Distribute
Opportunities
Based On
Capacity
Send Opps New
Owners to
Company’s ERP
Recalculate
Commissions

A few more use-cases
Platform Events Can Do
Even More!
● Multi-threaded processing
● Control the execution context size (number of records)
● Web Service Callouts from Platform Events*
● Re-usability of execution in a separate context

Trailmix: Getting Started With Platform Events
http://bit.ly/StartWithPE
Source Code: https://github.com/RoyGilad/Dreamforce-2019-Do-
more-within-Salesforce-Governor-Limits-using-Platform-Events
Documentation: Platform Events Developer Guide
Learn more about Platform Events

Founder
ARRNAV
@roygilad
linkedin.com/in/roygilad
roy@arrnav.com
Roy Gilad
Founder and CEO
Praxis LLC
@ohgodohad
linkedin.com/in/ohadidan
ohad@getpraxis.com
Ohad Idan
We’d love to hear from you!

How to Use Salesforce Platform Events to Help With Salesforce Limits

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