This Apex trigger ensures that the custom field Number_of_Opportunities__c on the Account object always reflects the current number of related Opportunity records. It runs after insert, update, and delete operations on Opportunity. Trigger- Apex class-
Let’s say – The parent object is Account, The child object is Contact, We want to update the child field Status__c to ‘Primary’ only if that contact is the only contact related to the parent Account. Trigger: Key Concepts:
Count related contacts on each Account in Salesforce using a custom Apex Trigger. A simple solution for real-time rollups. This trigger runs after insert, update, or delete operations on the Contact object. It collects all relevant Account IDs and queries the number of Contacts for each, updating a custom field called Number_of_Contacts__c on the Account. This approach
How to Count Contacts on Each Account Using Trigger Read More »
Implement a trigger to ensure that no more than one Opportunity can be created per Account within a single day. This scenario was asked in Deloitte interview -If a user attempts to create a second Opportunity for the same Account on the same day, display an appropriate error message. Trigger Apex Class Alternative Approach –
Let’s consider the Account object for this scenario. Imagine we create two custom fields on the Account object: Trigger Apex Class Apex Test Class
Let’s take Account and Contact object. Trigger Apex Class Apex Test Class
When a parent record is deleted, delete all related child records. Read More »
Trigger Apex Class Apex Test Class