Lesson: 44 | Update description when the Name of an Account is updated

Expected Outcome

Code

trigger AccountTrigger on Account (before update) {
    for (Account acc : trigger.old) {
        if (acc.Name != trigger.newMap.get(acc.Id).Name) {
            acc.Description = 'Account name changed from ' + acc.Name + ' to ' + trigger.newMap.get(acc.Id).Name;
        }
    }
}

Video