Current date/time auto-populate

[Riya17]

My requirement is to auto-populate the 'sys_created_on' in another custom field 'start date' which will be read-only on the same form only for new records.  Please help me make it working.

I have a BR.

Table : User Entitlement

When to run: after

condition: start date is empty

var gDatetime = new GlideDateTime(current.sys_created_on);
if (sys_created_on==' ') {
current.u_start_date = gDatetime;
}

[Riya17]

But I want the condition to apply only on new records not for existing records.  The above condition will apply to all records.

[Yogi3]

Run BR on insert, so it will work only for new records.

[Riya17]

I just ran for insert, it didn't work.  It's not populating the date.

[Yogi3]

Is it before or after? It should be after

[Riya17]

It is after.  Once the record is created, the date should be populated.