Create Contact records based on Create N Contacts field on the Account record
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- เผยแพร่เมื่อ 8 ก.ย. 2024
- In this video, we will be showing you how to use Apex Triggers to create contact records based on the "Create N Contacts" field on the Account record.
This is a powerful tool that allows you to automate the process of creating multiple contact records at once, saving you time and effort. By using Apex Triggers, you can easily set up a trigger that will automatically create contact records based on the number entered in the "Create N Contacts" field.
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That’s all from this video. See you in the next video. Till then, breathe long and keep learning :)
Loving the Trigger playlist @Salesforce Makes Sense
Amazing Explaination...!
Glad it was helpful
@@salesforcemakessense
If I delete one record out of 4..the number should update to 3 in account object
how to write a trigger for this one
Pls share the code
What about CPU time out limit If you enter 10000 record ?
@@p_Arm6119 in such scenarios please go woth batch apex instead when you know the volume is high
Thank you so much for these examples and clear explanation. I have a doubt in this example. Don't you think we have to do update DML operation within for loop. it will not work, if there are multiple accounts. As you tested, for single account we didn't notice the bug. after executing the for loop, conList holds last account's contact list. Please correct me if my understanding is wrong.
Parveen, a DML inside for loop is never suggested. As it might end up in governor limit exception. In cases where you want to work with more than one data, you use Maps and Lists and that solves the problem.
@@salesforcemakessense , Thank you so much for the quick reply. I agree, I will try with Maps. Did make video on Governor Limit?
@@parveenparveen9384 Sure, will make one soon! Glad the videos are helpful :)
can you do this question using map single for loop
The inner for loop is just for the number of contacts that need to be created. So, you will need two loops in this case. So, its okay to use nested loops. It won't be a problem.
Make video for update and delete also sir
Hi Vaibhav, take a look at the entire playlist. It has 30 use cases. Once you are done, let me know if there’s anything more needed 🙂
@@salesforcemakessense sure!!
can the code be written without nested for loops ? Please help
The inner for loop is just for the number of contacts that need to be created. So, you will need two loops in this case. So, its okay to use nested loops. It won't be a problem.
Hi, I am trying it for after update scenario but its creating N contacts on already created contact. If anyone knows, please tell
You must have associated them to the contactId instead of accountId
But nested for lop is not best practice right?
100% Correct but this use case is not just for best practices.
I will encourage you try writing this using collection and a single for loop and continue watching the playlist for more use cases 🙃
Great Example Bro, Thanks for sharing this amazing example. I am not able to think of the logic for the update Create_N_Contacts__c use case. Please help if possible.
HI Himanshu,
I tried to write the Update scenario but not sure if this is the right way. It is working fine in both the cases when Create_N_Contacts__c is increased from 2 to 10 and in decrease from 10 to 2 for example.
I am first checking if Create_N_Contacts__c is getting modified as well as its not null in the Trigger.new. Then getting a list of all contacts for that account in contact List "conToDelete" from soql. Then delete them to get rid of them entirely. Then do the same thing again as you explained.
Here is the code:
public static void handleActivitiesAfterUpdate(List newAccounts, Map oldAccMap){
List conToInsert = new List();
for (Account accRecord : newAccounts){
if (accRecord.Create_N_Contacts__c != oldAccMap.get(accRecord.Id).Create_N_Contacts__c && accRecord.Create_N_Contacts__c != null){
List conToDelete = [SELECT id, Firstname, Lastname, AccountId
FROM Contact
where AccountId = :accRecord.Id];
delete conToDelete;
for (Integer i = 0; i < accRecord.Create_N_Contacts__c; i++){
Contact con = new Contact();
con.Lastname = accRecord.Name + i;
con.AccountId = accRecord.Id;
conToInsert.add(con);
}
}
}
if (!conToInsert.isEmpty()){
insert conToInsert;
}
Sounds about right to me! :)
Is it possible to do this, without using Nested For loop?
I will suggest trying it using map instead of for loop. Take a look at the playlist and once you are confortable trying on your own, give it a try and let me know how does it go 🙂
@@salesforcemakessense I bought and watched you Udemy playlist few days back then today I came to know its available in youtube for free😂.By the way videos are really good.
I am not able to use system.debug in apex Triggers? Plzz ans
You should be able to. Can you show the error you are getting Gaurav?