To ensure that the queueable process runs within the test method, the job is submitted to the queue between the Test. Queueable Apex は最新の優れたツールですが、いくつかの注意点があります。. Industries Order Management Spring '23. Create a constructor for the class that accepts as its first argument a Contact sObject and a second argument as a string for the State abbreviation. Take control of your asynchronous Apex processes by using the Queueable interface. getEventBus (). enqueueJob returns null in a running test. Heap duration restriction is higher for this queueable apex and it's far greater efficient because it runs on its personal thread without depending on the device useful. Everything is bulkified properly, but we have 3 hefty. Batchable calls were designed to allow for heavy asynchronous processing. Each Queueable job enqueued and executed represents a separate transaction, which is the unit of limits consumption. Queueable Class. 31 6 6 bronze badges. You can add up to 50 jobs to the queue with System. Requirement is to loop through set of records (could be in 1000's) and make a REST callout to process those records. 32. The Apex Batch Job, at the top of its execute () method, sets the variable to true. This limit is for your entire org and is shared with all asynchronous Apex: Batch Apex, Queueable Apex, scheduled Apex, and future methods. “Changeling (Live at Victoria Ska and Reggae Festival)” is the. Queueable Apex is similar to Future Methods with an extra set of features and capabilities. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Sorted by: 8. I need to create a HTTPPost method to generate a report so when I did it at first, I had exceeded the number of queries limit so I implemented a queuable class to solve the issue as I have read in the documentation. To implement the Queueable interface, you must first declare a class with the implements keyword as follows: public class MyQueueableClass implements Queueable {. 06 Example - Queueable Apex Implementation with Test Clas…Queueable Apex provides the following benefits to future methods. Queuable Apex callout. for (Integer i = 0; i < 50; i++) { System. The limit is 50. Scheduled classes, batchable classes, and. AsyncException: Database. batch. Below is my queueable class which is working with the batch class to send a rest post request. 1. Batchable and Queueable Apex are both powerful processing frameworks within Salesforce. This article covers the best way to execute performant HTTP-related code, while allowing for further processing to be done. Queueable class Too many SOQL queries: 201. PLEASE SUBSCRIBE IF YOU LIKE THE VIDEO Link of the above video : @sfdcfox says, it's because the static member is not serialized when the Queueable is serialized prior to processing. I have a chained queuable apex class making an HTTP request to an external server. Scheduable, Batchable). I have a Queueable job en queued by a custom trigger and the Queueable job makes REST API call to an external system. In the above code block, in order to declare a class as Queueable, we have to implement the. – Dinesh Wickramasinghe. stopTest() works. I found out that the batch update is triggering triggers on the user and one such trigger is using enqueue method. Replay Debugger Setup. Apex, future methods, Queueable Apex, and scheduled Apex) per a 24-hour period1,6 org multiplied by 200, whichever is greater Number of synchronous concurrent transactions for long-running transactions 10 that last longer than 5 seconds for each org. FlexQueue will merge with Standard queue its features are usable using Apex (reordering, aborting, monitoring) Scheduling will just be a feature (another implements) for a Queueable job and schedules jobs will be in the same queue as well. 非同期 Apex プロセスを制御するには、Queueable インターフェースを使用します。このインターフェースにより、ジョブをキューに追加して監視できます。このインターフェースを使用することで、future メソッドを使用する場合に比べ、非同期 Apex コードの実行が機能強化されます。Queueable Apex has the ability to (1) start a long-running operation and get an ID for it, (2) pass complex data types like sObjects to a job, and (3) chain jobs in a sequence. This is where Queueable Apex and Finalizers come in. Queueable Apex. Using Batch Apex. The following example illustrates that this is possible because we have access to this, a reference to the particular instance of the class being used to call the method. Step 2 – On the Quick Find tab, search Apex Classes. @sfdcfox- Thank you for the recommendation, Now with Queuable implementation all the dependency errors are gone. Using Batch Apex, you can process records asynchronously in batches (hence the name, “Batch Apex”) to stay within platform limits. 5. A common problem is a local class in an org (called Queueable in this case) hiding the platform's interface or class. I would also move the instantiation to reside solely in the constructor. #swadhinshrivastav #trailhead #salesforce #swadhinfollow us for more update:-Trailhead:-Swadhin Shrivastav (is Queueable Apex? Queueable is one of the four Asynchronous Apex Methods used by a Salesforce Consultant in USA for submiting jobs for Async Processing it’s Similar to future Methods. number of Apex jobs added to the queue with System. I have a chained queuable apex class making an HTTP request to an external server. Have your Queuable set Run_Queueable__c to false when it has nothing left to process, otherwise keep re-queueing itself until everything is done; Have a trigger on the queue items which does an upsert with the queueable name and Run_Queueable__c = true; This ensures that only one Queuable is running at once. Using the interface is. enqueueJob (new QueueJ ()); You are initiating one transaction. Choose the asynchronous Apex feature that best suits your needs. You're not receiving. 2 Answers. Regardless, you can't call more than one Queueable per asynchronous call. The first iteration passed unit and functional testing, but was found to cause Apex CPU. 2. Use Case: Pre-requisite: Create a permission set with API name Sales_User_Permissions. Batchable and Queueable Apex are both powerful processing frameworks within Salesforce. Link:. ) PS. GitHub Link :- for Completion of Apex Specialist S. Use Apex code to run flow and transaction control statements on the Salesforce platform. This interface is implemented internally by Apex. Hot Network Questions How does a helicopter rotor keep spinning in the same direction when autorotating without reversing the pitchThe trigger uses the Queueable Apex interface to asynchronously call a method to insert into a big object. To make a Class queueable we have to implement the Queueable interface. Queueable Apex in Salesforce. enqueueJob, which means that only one child job can exist for each parent queueable job. Queueable Apex: similar to future methods, but provide additional job chaining and allow more complex data types. Queuable Apex callout. Too many queueable jobs added to the queue: 2. The job is scheduled with a specified minimum delay (0–10 minutes). Unlike other methods, Queueable Apex has an interface that allows developers to add jobs to the queue and monitor them. This interface enables you to add jobs to the queue and monitor them. Although it has good async methods, the challenge is a missing framework. Schedulable Interface. By the time the asynchronous Apex runs there is no definition of your anonymous Apex to be found on the application server that would ultimately run it. You should do this minimally, of course, but as often as necessary. 2 100. 3. countQuery ('SELECT Count (' + fieldName. AllowsCallouts { public void execute. The interface has only one. Queueable apex still executes in test context even if Enqueue Job is not called between Test. You've put together several things here that don't necessarily go together, before we even look at the code. Also, The ID of a queueable Apex job isn’t returned in test context — System. Your two basic options are to either schedule three jobs (e. You can implement a Queueable class that acts as a Future method and then you can invoke another future method. Static Apex Limit: Apex Limits that apply to all transactions. Implementing A Timeout / Delay In Apex. That data is automatically available when the execute method is invoked some time later. 501; asked Nov 27, 2019 at 16:11. Queueable Jobs can contain the member variable as SObjects or custom Apex Types. Our page is accessible from the following URLs: Hot spot is the leading manufacturer of artificial trolling lures on the West. To monitor or stop the execution of the batch Apex job, from Setup, enter Apex Jobs in the Quick Find box, then select Apex Jobs. Your logic is slightly flawed. LimitException: Too many SOQL queries: 101". You can use queueable apex. You already stated you have a unit test for the queueable's execute () that verifies the callout is. 1 Answer. Queuable Apex - chaining jobs vs calling other classes synchronously. (This Can Queueable solve "Future method cannot be called from a future or batch method"? confirms this works the opposite way round i. g. But, at the same time, the more advanced queuable apex accepts sobjects. SendEmail methods allowed (total number) 110. There is no SLA so we have no idea when it will it execute, They can execute in just a second or can take hours. deliver () after you have called EventBus. e. I have tried doing this but at some point I have to make a call that doesn't include parameters, i. Apex methods with the future annotation that haven’t yet been executed. Response ResponseObject,Order__c OrderDetails) { // call batch class to generate pdf GC_BatchClassForPDFGeneration giftCardBatch=new. This book starts by taking you through common Apex mistakes,. asked Dec 6, 2022 at 0:33. queueable-apex; Share. Schedulable is what you want if you want a delay. Queueable Apex; Schedulable Apex; Because these constructs are by nature asynchronous, do not come with an SLA, and can be executed by Salesforce based upon overall system load and other considerations, we cannot typically guarantee exactly when they will be executed. However, the end result for most use cases I'm guessing will be pretty much the same whether you use platform events, @future or Queueable. So with Database. stopTest() Each test method is allowed to call this method only once. Your code is executing-- it comes in a separate log. Static variables in an apex test class are reset between: every test method execution. countQuery ('SELECT Count (' + fieldName. enqueJob (new Child2 ()); } public class Child2 Implements. 1. The limit is typically 250,000 or the number of user licenses in your org multiplied by 200, whichever is greater. 0. I don't think you can use the @future syntax on that method. The class which implements the Queueable interface are basically called as Queueable apex class. . Using asynchronous automations is increasingly important as the business processes and. That way the queueable had all the data it needed from all the trigger invocations when it fired (i. #techinvisible#controlprocesseswithqueueableapex#asynchronousapexDm me on Instagram for trailhead & superbadges related queries :implemented a Queueable Apex class that chains itself in the execute method if there is more data to be retrieved (I get a JSON with a 'has_more_data' boolean. March 9, 2016. In future methods, we cannot pass sojects for reasons future methods being executed at a later point of time, by the time it is executed the sboject data could be stale. This interface enables you to add jobs to the queue and monitor them. If you need to process a high volume of jobs, this limitation can be problematic, as it hard caps you at <6k jobs/day on a single chain. An Apex trigger processes platform event notifications sequentially in the order they’re received. class and method implementation must be declared as public or global. Getting Id of your Job:- ID JobId =system. Share. Queueable apex and future method both run sdfs asynchronously but queueable apex provides these additional benefits. The process begins April 01, 2023 and will remain open as long as you see the Register button below! REGISTER. A developer can now employ batch Apex to build complex, long-running processes that run on thousands of records on the Lightning Platform. governorlimits. Queueable is a hybrid between the limited future methods and the resource-hungry Batchable interface. 7) Asynchronous calls, such as @future or executeBatch, called in a startTest, stopTest block, do not count against your limits for the number of queued jobs. Unlock the power of both Batchable and Queueable Apex with the easily extendable DataProcessor pattern, which I’ll detail in this post. This feature has a lot of potential, especially if it can be expanded beyond just the Queueable context. enqueueJob を使用してキューに追加できる最大数は. Mixed DML occurring even in Finalizer in Queueable. Queueable Apex is a more advanced version of future methods. The enqueued method is using a future method to update contact records and there are no enqueued jobs in any other trigger. AllowsCallouts" in the class heading. ) PS. 1. We can then. Syntax: public class CLASS_NAME implements Queueable {} We cannot monitor the jobs. 69. . たとえば、最大 5,000 万件のレコードをクリーンアップ. However, once the flex queue is full every attempt to execute another batch will bomb out with a limits violation. The key difference can be found in the Queueable Apex documentation: Similar to future jobs, queueable jobs don’t process batches, and so the number of processed batches and the number of total batches are always zero. . Your logic is slightly flawed. This is expected behavior if you carefully read the documentation on how Test. –>. In Apex Code, = is an assignment operator, and == is comparison. executeBatch you still get our Batch Apex done, and the Apex Flex Queue,. You could easily bump into flex queue limits; an org allows up to 5 concurrently executing batches and then up to a further 100 in the flex queue. 2 Answers. Queuable Advantage: Queueable can run parallelly and there no limit for chaining. My question is: Is there an advantage or difference in putting logic in the Constructor vs the Execute. . You have to write test class for both queueable class seprately. The new queueable Apex feature is not only a great way to make asynchronous calls, it also enables new design patterns that let you dramatically increase the reliability of those calls. g. QueueableContext) I was hoping to achieve. So atmost 100 jobs can be added in one go. Create an Apex class called 'AddPrimaryContact' that implements the Queueable interface. Batch jobs usually have the limit of five queued or active jobs simultaneously. The reason it's not done for future methods is that the objects could potentially change from the time it's passed to the time. Select this approach for long-running jobs with large data volumes that need to be performed in batches, or jobs that need larger query results than regular transactions. Developers can add business logic to most system events, including button clicks, related record updates, and Visualforce pages. The maximum event message size that you can publish is 1 MB. The ID of a queueable Apex job isn’t returned in test context—System. ×Sorry to interrupt. Create a Queueable Apex class that inserts Contacts for Accounts. Thus the callout issues are omitted. apex; future; queueable-apex; Share. To use batch Apex, write an Apex class that implements the Salesforce-provided interface Database. Queueable Apex. Synchronous apex methods typically use asynchronous future methods to perform API calls, or callouts in Apex. Couple things. Correct. Previously, a queueable job could make a web service callout, but additional chained jobs that made callouts would throw exceptions. Writing test class is simple. enqueueJob (new QueueClass1 ()); You get all uselful videos:Merge the Standard Pricing Plan with the Default Pricing Plan for. List<AsyncApexJob> batchJobs = [ SELECT ApexClassId FROM AsyncApexJob WHERE JobType = 'BatchApex' AND Status = 'Processing' // OR Status = 'Queued'ADD ANY OTHER CONDITION THAT YOU WANT ]; Using above piece of code you can check. In contrast, the Limits. If there came a time where it was necessary to implement another time. (So the possibility here is that one org has the local class and the other doesn't. Future method cannot be called from a future or batch method. I'm coding an execute() method for the new "queueable" interface. To execute Apex as an asynchronous job, implement the Queueable interface and add the processing logic in your implementation of the execute method. Sorted by: 8. 1. E. 1 Answer. Process Builder -> Invokable Apex -> Chain of Queueable Apex Callouts. Also, the best query for this will be as below. 1 Answer. このインターフェースにより、ジョブをキューに追加して監視できます。. Next, to get the results, you need to persist that. Categories: Salesforce Apex. It's not obvious, but the key here is jobs. In Salesforce, records in the 'AsyncApexJob' table represents Apex jobs to run asynchronously when resources are available. Something interesting starts to occur when your. executeBatch throws a LimitException and doesn’t add the job to the queue. If you can add the complete class of Queueable interface, I can check further if still facing issues. startTest () and test. It could be useful for doing post-Right now if I call the action button without Queueable Apex, from all the parameters I get from the Visualforce page and then perform action on the backend, due to the Apex Triggers I always will get "Error: System. "A single Apex transaction can make a maximum of 100 callouts to an HTTP request or an API call. Apex offers multiple ways for running your Apex code asynchronously. Queueable Apex limits. Each async class should have a constructor that takes a String job id and retains it for the duration of its processing, and then passes that same id along when it initializes and fires the next job, along the way also updating the status of the job. Controlling Processes with Queueable Apex. We did a clean up exercise to consolidate all the logic in one queueable class. Batch Apex: Batchable Apex is designed to allow for heavy asynchronous processing. Apex Future & Queueable methods are leveraged to execute Asynchronous Apex processes that will run in the background at a later time once resources become available. It was probably easier and safer for salesforce to create a new framework/interface, than the modify the existing @future implementation without breaking existing apex code. 0. Batch Apex operates over small batches of records, covering your entire record set and breaking the processing down to manageable chunks. I just want to confirm my understanding is correct of whether or not Queueable Apex will alleviate an issue I am having with @future methods. Control Processes with Queueable Apex Create an Queueable Apex class that inserts Contacts for Accounts. For one thing, the queueable execute() method is an instance method, not a static method. This solution is for Asynchronous Apex. I have a Parent Class with Inner Classes that Implement Queueable. However, there are limits on how many Queueable you can queue from a single thread. To execute Apex as an asynchronous job, implement the Queueable interface and add the processing logic in your implementation of the execute method. Queueable Apex is also a way of running Apex jobs asynchronously and to make a class Queueable we need to implement an interface i. It is useful in operations that involve both Batch and Future methods. Following points (specific to apex test class execution) might give you a better insight into what is going on here. Apex 一括処理またはスケジュール済み Apex. Using the interface is an enhanced way of running your asynchronous Apex code compared to using future methods. Maximum number of Apex. 使用される最大の理由は、大量のレコードを処理する必要があるからです。. Here's what we get back: 15:42:44:004 USER_DEBUG [9]|DEBUG|Account Name. Once you surpass a chain depth of 4, Salesforce will slow you down to 15 seconds between executions. This interface enables you to add jobs to the queue and monitor them, which is an enhanced way of running your asynchronous Apex code compared to using future methods. Right now, in my org's account trigger handler class, we do various separate complex queries/calculations/DML operations. I cannot make you use it; I can only tell you why you should and give you incentive to do so. AllowsCallouts {. a Queueable can be called from a Batchable. public class SampleQueueble implements Queueable { public final List<String> data; public SampleQueueble (List<String> input) { data = input; } public void. たとえば、最大 5,000 万件のレコードをクリーンアップ. You do not need to write a constructor for every class. Asynchronous Apex. As a good dev I went to the docs to solve this problem. You can add up to 50 jobs to the queue with System. Create a Queueable Apex class that inserts the same Contact for each Account for a specific state. An Apex trigger can receive a batch of events at once. Create a Queueable Apex class that inserts the same Contact for each Account for a specific state. So - Queueable Apex = Future Method + Batch ApexIt. Edit: As it was pointed out to me via DM, it is not directly possible to schedule Queueable classes. Matt and Neil. Unlike other methods, Queueable Apex has an interface that allows developers to add jobs to the queue and monitor them. 1. After struggling with this for longer than I'd like to admit, I found a method that enables us to test Platform Event Triggers that enqueue Queueable jobs. from your Queueable. Again, when using a mock callout, the request isn’t sent to the endpoint. deepClone (true,true,true))); Or. new. I am attempting to create logic that, on Contact record insert or update, will compare the Phone value of the record to another reference object and conditionally populate a checkbox as a result of the comparison. Queueable Apex in a Before Trigger. e. So atmost. 0. Queueable is a completely different framework from future methods, and it gives a lot of benefits over it. Usage. One approach you could take (this is fairly architecture-dependent) is a chained Queueable. Now calling this batch from apex class. Check "Queueable Apex Limits" in this reference. Learn about Salesforce Apex, the strongly typed, object-oriented, multitenant-aware programming language. Here is the class structure at a high level: Public Parent Class Implements Queuable { public class Child1 Implements Queuable {public void execute (queuableContext con)//do stuff System. global class AddPrimaryContact implements Queueable { private Contact queueContact; private String contactState; public AddPrimaryContact(){} public AddPrimaryContact(Contact con, String state){ queueContact = con; contactState = state; }Invocable Class can't run call to API method. . 8) The maximum number of future method invocations per a 24-hour period is 250,000 or the number of user licenses in your organization. enqueueJob (new QueueTest1 ()); } I was able to see in Apex Jobs, there were 200 Queueable jobs queued with few statuses as Processing and few as Queued. Please give examples Parent queueable class: public with sharing class Qapex implements Queueable{ private list L; public Qapex(List a)Difference between Queueable apex and future method. What did work for me was uploading a new version of the Apex Class that commented out the calling of the child job. @AdrianLarson When chaining jobs, you can add only one job from an executing job with System. getLimitQueueableJobs () method returns the expected value of 1. These apex is used for syncing data in two systems, handling longer jobs which will hit Salesforce Governor limits. Schedulable Interface is. The new queueable Apex feature is not only a great way to make asynchronous calls, it also enables new design patterns that let you dramatically increase the reliability of those calls. もう 1 つの長く使用されている非同期ツールは Batchable インターフェースです。. deliver (); What you need to do is call Test. The Apex Trigger checks the variable and skips the execution of the Queueable. I am facing Attempt to dereference a null pointer exception on line DescribeSObjectResult objDef = objToken. This means it can handle more complex transactions and larger volumes of data. I was testing Finalizer interface with Queueable apex and I think it can also be used to overcome this error: System. enqueueJob (new firstqueablejob (Trigger. Queueable Apex | Apex Developer Guide | Salesforce Developers. If you can add the complete class of Queueable interface, I can check further if still facing issues. The basic idea is to enqueue queueable apex from a scheduled class and have that queued apex class call itself again if it needs to. In Apex code (be it Queueable, Batch job) once your make changes to db, you cannot make callouts. My problem is that I must implement the method: void System. enqueueJob from a trigger context, i. Scenario 1 : Schedule Apex ===> 2. MethodSetup (); } but this only works if you have exactly one (1) testmethod in the class. My current workaround: 使用方法. 3) Finish. With Flex Queues, any jobs that are submitted for execution but are not processed immediately by the system go in holding status and are placed in a separate queue (the Apex flex queue). FollowThe key difference can be found in the Queueable Apex documentation: Similar to future jobs, queueable jobs don’t process batches, and so the number of processed batches and the number of total batches are always zero. public with sharing class queueableClassTest { static wrapperClass WC; @TestSetup static void makeData () { WC = testDataFactory. In other words, by using the System. Apex is great for building out complex automations that would be difficult or impossible to do with declarative automations such as Flows or Process Builders. I agree Queueable apex does seem to be salesforce answer to the above type of scenario but this is our first attempt at doing something like this and we were not aware of this until now. Being able to react to uncatchable Apex errors without having to spend an additional 10% of your net Salesforce cost to become an Event Monitoring customer alone would make this worth it. All async code can run in to stale data. 1650. The idea here is that you'd mock out sendEmail by overriding it in the unit test. The problem is that your anonymous Apex only exists for the transaction it was created in. 3. To chain a job to another job, submit the second job from the execute () method of your queueable class. Full Apex Auto-Complete in Developer Console is Being Retired; Understand Changes to Sandbox License Compliance; Create Decision Tables with 10 Times More Rows; Developer Console; Filter Batch Job Records with Date Literals; Data Processing Engine; Add Custom Attributes in Penny Perfect Pricing Calculation Queueable Apex: We can make a process an queueable by implementing Queueable interface. This is also true for Scheduled jobs, Batchable jobs, future methods, sending emails, calculating sharing rows, and almost any other type of asynchronous code or action that may exist in the future. Usage. Everything runs nicely until the last line, where the API method is called and a map is passed. This is expected behavior if you carefully read the documentation on how Test. An Apex transaction is sometimes referred to as an execution context. 0. Follow edited Dec 6, 2022 at 16:22. 1,710 2 2 gold badges 29 29 silver badges 88 88 bronze badges. apex Your two basic options are to either schedule three jobs (e. 1. You can choose whether functional and advertising cookies apply. I could still see enqueueJob returning proper job id and not null. Transaction Finalizers. executeBatch cannot be called from a batch start, batch execute, or future. Finalizer interface, it enables us to attach actions to asynchronous Apex jobs using the Queueable framework. 2. Queueable Apex is similar to Future Methods with an extra set of features and capabilities. I was using the Queueable class to chain jobs within the execute() method. But in general, you can pass input to a Queueable class by defining properties on an instance of the class before you enqueue it. 1. Starting multiple child jobs from the same queueable job isn’t supported. stopTest block. This table lists the asynchronous Apex features and when to use each. Variables are stored in the heap, so if you take the data from the first queueable job, make it available to the second queueable job, and have the second queueable job query additional data on top of that, it'll naturally take more heap space than the first queueable job did. Callout and chain Queueable - Spring 17. An Apex trigger can receive a batch of events at once. Great if you could help on this? Their requirement is to sync Salesforce object to external system. Instead you should use chaining, which is defend in the. enqueueJob method, the method returns the ID of the AsyncApexJob record which can be used to identify and. you may want to do custom rollup calculations on opportunity save). AllowCallouts interface. ConnectApi (Connect in Apex): New and Changed Classes and Enums; Enhance Product Descriptions with Einstein Generative AI; Troubleshoot Store Issues with the Commerce Assistant; Improve SEO with Custom. ca. Queueable Class: callout1 ; processData ; Again enqueue- newEnqueueClass ; newEnqueueClass : Insert data; future callout [since we cannot have callout after DML]. For now, the delay implementation will be baked into the processing class itself. For long-running jobs with large data volumes that need to be performed in batches, such as database maintenance jobs. . Scheduled Apex: schedule Apex to run at a specified time. This approach can be useful in cases where the Apex Batch Job performs the same operation which is implemented in the Queueable. execute (null); Queueable q2 = new MySecondQueueable (q1); q2. Queueable Apex in Salesforce. Please note the specific numbers for chain depth and. Queueable Interface This interface enables you to add jobs to the queue and monitor them which is an enhanced way of running your asynchronous Apex code compared to using future methods. Batchable and then invoke the class programmatically. The primary limitation you will face is throttling. This works perfectly during our testing. Response ResponseObject,Order__c OrderDetails) { // call batch class to generate pdf GC_BatchClassForPDFGeneration giftCardBatch=new. Why is it so? Queuable Apex logic in Constructor or Execute Method. By adding this interface we can add. Learn about Salesforce Apex, the strongly typed, object-oriented, multitenant-aware programming language. 1 Answer. Thanks for this. Use Case: Pre-requisite: Create a permission set with API name Sales_User_Permissions. scheduled-apex. You need the List<String> to be an instance property, not a static one. Follow. This will enable you to add jobs to queue and monitor them. QueueableContext Interface.