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I have created an Apex trigger, and I was trying to run a trailhead but it always throws an error:

"Challenge not yet complete... here's what's wrong: Executing the trigger did not work as expected. "

Herewith I have attached my code:

trigger AccountAddressTrigger on Account (before insert,before update) {

    for(Account a : [SELECT Id FROM Account WHERE  Match_Billing_Address__c = TRUE AND BillingPostalCode != NULL])


        a.ShippingPostalCode = a.BillingPostalCode;

        update a;        

    }//end for     


Can anyone help me with this?

1 Answer

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by (26.7k points)
edited by

Basically, there is some issue with your code, your trigger should be looks like this:

trigger AccountAddressTrigger on Account (before insert,before update) {

    //Iterate all accounts that is updated or inserted.

    for(Account acc :Trigger.New){

        //if match is true set values.


            acc.ShippingPostalCode = acc.BillingPostalCode;




I hope this will help.

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