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Where to use before update and after update in Salesforce?
Where to use before update and after update?
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1 Reply
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Hi Suraj
You can find the info on this Apex documentation.
For Before update
Triggerevent -Event Can change fields usingtrigger.new
Allowed.
Triggerevent- Can update original object using an update DML operation
Not allowed. A runtime error is thrown.
Triggerevent-Can delete original object using a delete DML operation
Not allowed. A runtime error is thrown.
For After Update
Triggerevent -Event Can change fields usingtrigger.new
Not allowed. A runtime error is thrown, astrigger.new is already saved.
Triggerevent- Can update original object using an update DML operation
Allowed. Even though a bad script could cause an infinite recursion doing this incorrectly, the error would be found by the governor limits.
Triggerevent-Can delete original object using a delete DML operation
Allowed. The updates are saved before the object is deleted, so if the object is undeleted, the updatesbecome visible.
Hope it may help you
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