In Lightning Web Components (LWC), the PubSub model is used when we want to communicate between components that are not directly related (not parent-child or sibling). But for learning purposes, we can create a simple Parent → Child communication using PubSub so beginners understand how the publish–subscribe pattern works. Below are the steps for a … Read more →
Hand-on example as pass input value from parent to child component through Lightning Message Service (LMS) in Salesforce In Salesforce Lightning Message Service (LMS), we normally use it for communication between unrelated components (not directly parent–child). But for learning purpose, we can still create a simple example where: Parent Component publishes a message Child Component … Read more →
Apex Trigger Whenever Case is: Inserted/Updated/Deleted/Undeleted We need to count Cases based on Priority: High, Medium, Low And update counts on Account Step 1 Create Fields on Account Create 3 Number fields: Field Label API Name High Priority Cases High_Priority_Cases__c Medium Priority Cases Medium_Priority_Cases__c Low Priority Cases Low_Priority_Cases__c Data Type → Number (0 decimal) … Read more →
Apex Trigger Whenever Opportunity is: Inserted/Updated/Deleted/Undeleted We need to: Calculate total Amount of all Opportunities Where StageName = ‘Closed Won’ And update it on Account Step 1 Create Field on Account Create Currency field: Field Label API Name Total Revenue Total_Revenue__c Data Type → Currency Logic (Same Clean Pattern) Collect AccountIds Run ONE … Read more →
Apex Trigger Whenever Opportunity is Inserted/Updated/Deleted/Undeleted We need to count how many Opportunities have: StageName = ‘Closed Won’ And update that count on Account. Step 1 Create Fields on Account Create Number field on Account: Field Label API Name Closed Won Opportunities Closed_Won_Count__c Data Type → Number (0 decimal) Logic (Same Clean Pattern) … Read more →
Apex Trigger Whenever Contact is Inserted/Updated/Deleted/Undeleted We need to count Contacts based on LeadSource and update Account, LeadSource values: Web, Phone Inquiry, Partner Referral, Advertisement Step 1 Create Fields on Account Create 4 Number fields: Field Label API Name Web Contacts Web_Contacts__c Phone Contacts Phone_Contacts__c Partner Contacts Partner_Contacts__c Advertisement Contacts Advertisement_Contacts__c Data Type → … Read more →
Write Apex Trigger Whenever a Contact is Inserted / Updated / Deleted, We need to Count child Contacts related to each Account Based on MailingCountry Only for these 4 countries (India, USA, England, Japan) Then store the count on Account object. Create Custom Fields on Account Create 4 Number fields on Account: Field Label … Read more →
Apex Trigger to When an Account’s field Share_With_User__c (a lookup to User) is filled, automatically share that Account with that user via Apex sharing in Salesforce To automatically share an Account with a user when a lookup field (Share_With_User__c) is populated, you must use Apex Managed Sharing via an Apex Trigger. Because the Account is … Read more →
Insert multiple Contacts related to that Account Use Database.insert() for bulk records in LWC Salesforce SCENARIO Enter Account Name, Phone, Description Enter details for 3 Contacts (simple static fields) Click button Apex will: Create Account Insert all Contacts using Database.insert() Attach them to Account Create Apex Class → AccountContactBulkController.cls Step 1:- AccountContactBulkController.cls AccountContactBulkController.cls [Apex … Read more →
Scenario We want to create a form in LWC where the user enters First Name, Last Name, and Email for each contact and clicks Create Contacts button to insert multiple Contact records at once. Step-by-Step Implementation Apex Class — Bulk Insert Contacts ContactBulkInsertController.cls → Step 1:- ContactBulkInsertController.cls ContactBulkInsertController.cls [Apex Controller] 🚀 Get Source Code … Read more →
Apex Trigger Whenever a Contact is updated (Email / Phone), Salesforce calls external REST API again using Queueable Apex | Salesforce sends Contact data using POST REST API using Queueable Apex REAL-TIME BUSINESS SCENARIO (POST + QUEUEABLE) 📌 Scenario Salesforce has Contacts not yet synced with an External CRM Salesforce sends Contact data using POST … Read more →
Apex Trigger to Sends Contact data to external system using POST API, External system returns External Customer ID, Salesforce updates Contact with External ID Using Batch Class in Salesforce REAL-TIME BUSINESS SCENARIO (POST + BATCH) 📌 Scenario: Salesforce has Contacts that are not yet synced with an External CRM A Batch Apex job: Sends Contact … Read more →
Salesforce sends Contact data to an External CRM System using POST REST API, External system returns a Customer Reference ID, Salesforce stores that ID in a custom field, Whenever Contact Phone or Email is updated, Salesforce notifies the external system Use @future method Real-Time Business Scenario: Salesforce sends Contact data to an External CRM System … Read more →
Write Apex Trigger on Account Whenever an Account’s Phone or Email is updated, Update all related Contacts with the same Phone & Email Use @future method (asynchronous processing) in Salesforce Why @future Here? Account trigger should stay lightweight Contact updates can be large in volume Avoid governor limit issues Common pattern in enterprise Salesforce orgs … Read more →