Platform Developer I Certification Maintenance (Summer '19)

1.What allows Flows to manipulate complex data types that are often returned from
calls to web services?

Answer:Apex Defined Data type

2. What is the benefit of using the Continuation class in Apex to make a long-running
request to an external web service?

ANS: more long-running callouts can be using as Continution

3. Which Lightning web component configuration file tag set specifies the form factors
that the component supports?

Ans: supportedFormFactors

4. Which tag adds the Lightning Web Components for Visualforce JavaScript library to a
Visualforce page?

Ans: <apex:includeLightning/>


Exercise :

• Click this link: install Package
• Update the BatchLeadConvert class to implement the Database.RaisesPlatformEvents marker interface. See below Example :

public with sharing class BatchLeadConvert implements

Database.Batchable<SObject>, Database.RaisesPlatformEvents {

// class implementation

}

• Write a trigger on BatchApexErrorEvent object;
• you can copy paste the below code in your trigger.

trigger BatchApexErrorTrigger on BatchApexErrorEvent (after insert) {

    list<BatchLeadConvertErrors__c> listBatchData = new list<BatchLeadConvertErrors__c>();

    for(BatchApexErrorEvent logData:trigger.new){

      BatchLeadConvertErrors__c newBatchTest = new BatchLeadConvertErrors__c();

       newBatchTest.AsyncApexJobId__c = logData.AsyncApexJobId;

       newBatchTest.Records__c =  logData.JobScope;

       newBatchTest.StackTrace__c =  logData.StackTrace;

       listBatchData.add(newBatchTest);

    }

    insert listBatchData;

}