Hey guys, today in this post we are going to learn about how to update the Custom last modified date field in the parent object when the Records in the child object is updated using Apex Trigger in Salesforce.
Real time scenarios:- Write a trigger on Child object and update the custom Last Modified Date Field, LastModifiedDate__c (Date/Time Type) in the Parent Object When the Records in the Child Object is Updated.
parentObjTrigger:- Custom Fields & Relationships
Create a custom field on parent Object name as LastModifiedDate__c (Date/Time Type).
childObjTrigger:- Custom Fields & Relationships
Create a lookup relationship field on child Object name as childLookup__c :: Lookup(parentObjTrigger).
Files we used in this post example:-
| LastModifiedDateTrigger.apxt | Apex Class Trigger | It will be fire whenever update a record on child object |
|
Parent Cusotm Object:- parentObjTrigger__c Custom Field:- LastModifiedDate__c |
Lightning Component | Trigger on child custom object and update the custom Last Modified Date Field in the Parent Object Whenever the records in the Child Object is changed. |
|
Child Custom Object:- childObjTrigger__c Custom Field:- childLookup__c : Lookup(parentObjTrigger) |
Child Object with Custom Lookup Field | childLookup__c : Lookup(parentObjTrigger) field it is help to communicate between parent object. |
Final Output
Other related post that would you like to learn.
Step 1:- Apex Class Trigger : LastModifiedDateTrigger.apxt
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 |
trigger LastModifiedDateTrigger on childObjTrigger__c (before insert, after insert, before update, after update) { Map<Id,Datetime> idLastModifiedDateMap = new Map<Id,Datetime >(); List<Datetime> childIdList = new List<Datetime>(); Set<Id> setIdList = new Set<Id>(); if(trigger.isBefore){ system.debug('trigger before event'); }else if(trigger.isAfter){ system.debug('trigger after event'); if(trigger.isUpdate){ for(childObjTrigger__c temp : trigger.new) { childIdList.add(temp.LastModifiedDate); } system.debug('childIdList ' + childIdList); List<parentObjTrigger__c> prntList= [Select Id, LastModifiedDate__c, (Select Id, LastModifiedDate From childObjTriggers__r Where LastModifiedDate=:childIdList) From parentObjTrigger__c]; List<parentObjTrigger__c> lastDate = new List<parentObjTrigger__c>(); for(parentObjTrigger__c p1:prntList){ for(childObjTrigger__c c1:p1.childObjTriggers__r){ system.debug('c1 ' + c1.LastModifiedDate); p1.LastModifiedDate__c=c1.LastModifiedDate; lastDate.add(p1); } } update prntList; system.debug('lastDate1### ' + lastDate); } } } |
➡
TechW3web:- Apex trigger to get last modified date in Salesforce
Other related post that would you like to learn…
Related Topics | You May Also Like
Create rollup summary using Apex trigger on custom object | rollup summary trigger for count of child records on custom object in Salesforce example
Trigger to update count of child records with custom field of parent object | count of child records on parent for lookup relationship uses of apex trigger in Salesforce
Trigger to update parent records field when child record is updated | update parent field from child using apex trigger
Trigger to check duplicate name to custom object in Salesforce | how to prevent duplicate records based on multiple fields through apex trigger in Salesforce
Apex Trigger to Send a Custom Visualforce Component Email Template when Record is Created on Custom Object in Salesforce | How to send email template through apex trigger
Apex trigger to create and count the number of child records associated with parent object based on custom field when parent record is created/updated in Salesforce | Count the number of child record using trigger in Salesforce
Write a trigger to update parent account phone number when ever the contact phone number is updated using trigger handler and helper class in Salesforce | How to update Account phone from Contact Phone based on lookup relationship in Salesforce
Apex Trigger on Contact to Create Account Automatically and map to related account Id to Contact Whenever New Contact is Created in Salesforce | trigger to create account automatically whenever contact is created in salesforce
Author of w3web.net
Hi, This is Vijay behind the admin and founder of w3web.net. I am a senior software developer and working in MNC company from more than 8 years. I am great fan of technology, configuration, customization & development. Apart of this, I love to write about Blogging in spare time, Working on Mobile & Web application development, Salesforce lightning, Salesforce LWC and Salesforce Integration development in full time.
Thanks for sharing this wonderful information I really enjoyed reading it keep up the good work.
I am impressed of your writing talents as well as with the format you use in your blog. If you have time please check my post on
permallink structure for wordpress.
You’re a beautiful inspiration. It really helps me in any situation. Where I stuck. Many of my friends told me to comment there post but I stuck what I should comment. Finally I got your post it always help me. Thanks for the lovely post.
. Thanks for the lovely post….
Thanks for sharing this wonderful post, I found a very informative blog today.
Thanks For Sharing Wonderfull Ideas And Amazing content You Ever Create Please Keep Sharing And Keep It Up
May You Live Long
40 High Demand Gigs on Fiverr – Most Selling Gigs on Fiverr 2021