Unsuccessful GlideRecord operations: failed insert, failed update, failed delete.

Unsuccessful GlideRecord operation.md

I used to believe my operations are successful. Well, it's not a bullet proof.

var x = new GlideRecord('incident');
var sys_id = x.insert();

sys_id;
// GUID 

x.isActionAborted()
// false of true (e.g. if Data Policy exception)

x.isValidRecord();
// true or false (e.g. if insert failed)

x.getLastErrorMessage()
// string of error message occured