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Hari nadh babu Eluru
Trigger Apex - Phone number change
In this Trigger Apex,we have two custom sobjects Train__c and Passanger__c. At in Train__c there are two fields Passanger_Old_Phone_Number__c and Passanger_New_Phone_Number__c. At in Passanger__c there are one field Phone_Number__c. If the Phone number in Phone_Number__c was changed by Passanger in Passanger__c then old phone number can be store in Passanger_Old_Phone_Number__c and new phone number can be store in Passanger_New_Phone_Number__c.
There are Lookup Relationship between Passanger__c to Train__c
We want functionality in Trigger Apex
Thank you !
There are Lookup Relationship between Passanger__c to Train__c
We want functionality in Trigger Apex
Thank you !
Here is the code with the test coverage.
I am little skeptical of the design here because train may have multiple passanger, as per this code the new phone number on train will be of the last passanger added. Can you please little explain the though behind this.
Trigger
Test Class
I hope this trigger will help.
Try Below Code Please Mark It As Best Answer If It Helps
Thank You!