Example
trigger MyTrigger on SomeObject__c (after insert, after update) {
if (Trigger.isAfter && Trigger.isInsert) {
System.debug('The following records were inserted: ');
for (SomeObject__c o : Trigger.new) {
System.debug(o.Name);
}
} else if (Trigger.isAfter && Trigger.isUpdate) {
for (Id key : Trigger.newMap) {
SomeObject__c theOldOne = Trigger.newMap.get(key);
SomeObject__c theNewOne = Trigger.oldMap.get(key);
if (theNewOne.Name != theOldOne.Name) {
System.debug('The name of ' + key + ' has been changed');
}
}
}
}
