Asynchronous Apex - Future Methods - Explained | Chapter 97 | Salesforce Developer Masterclass
Video Overview & Insights
In this video, we break down Future Methods in Salesforce, a powerful tool for executing processes asynchronously. Here's what we cover:
Bro why are you always in a hurry?
Please explain a little bit slowly
so that everyone can understand
✅ What Are Future Methods?: Understand their purpose and when to use them.
✅ @future Annotation: Learn how to define a future method and its key requirements.
You are not only explaining the concept ! You are actually explaining the real-time uses of future method by showing the real time errors where the most of the people will get stuck to ans the Qus in interview ❤
It’s really Marvellous 🤩
Thank you 😊
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✅ Key Features: Dive into the ability to execute in separate threads and support for callouts.
✅ Limitations: Understand the governor limits, such as method size, callout restrictions, and transaction constraints.
Wonderful explanation
✅ Best Practices: Tips to ensure smooth and efficient use of future methods in your org.
By the end of this session, you'll have a clear understanding of Future Methods, their use cases, and how to avoid common pitfalls. Perfect for developers aiming to boost their asynchronous processing skills in Salesforce!
# When to Use @future Apex (Lightweight, Simple Tasks)
When you need to run a small background task after a trigger (e.g., send email).
To avoid Mixed DML errors (e.g., updating User + Account).
When you want to do a simple callout with @future(callout=true).
When you're only passing primitive values like String, Id, List<Id>.
When you don’t need to chain jobs.
When you don’t need to track or monitor the job status.
When you want to reduce governor limits in trigger (gets fresh limits).
When you want very simple code to run something quickly.
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Can we have a use case around mixed dml errors
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To ensure a smooth learning experience,
why the method is static? any reason
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// Future Method - Reference Notes
// Annotation: '@future'
// Used to run methods asynchronously in the background.
// Runs in a separate thread from the main Apex context.
// Syntax:
// @future
// public static void yourMethodName(Type param1, Type param2) {
// // Your async logic here
// }
// Rules:
// - Method must be 'static' and 'void'.
// - Can take only primitive types or collections of primitive types as parameters.
// - Cannot return values.
// - Cannot call another future method or Queueable from inside a future method.
// Use cases:
// - Callouts to external systems (add '(callout=true)' to the annotation)
// - Offloading long-running logic to avoid blocking the user
// - Handling large data updates post-transaction
// Limits:
// - Max 50 future calls per transaction
// - No chaining allowed
// - No support for complex types (List<Account> ❌)
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"Hi sir, I understood the concept of future methods from your video.
However, can you make a video on a use case where a future method is used to make a callout to an external API?
It would be helpful to see a real-time example of how this works.
Thanks in advance!"
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Hi !! The above scenario can be done by triggers only na , what is point of asynchronous apex, what will be the real time scenario of case of future method could explain if possible please?
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That’s all from this video. See you in the next video. Till then, breathe long and keep learning :)