Datasource that outputs text and an error code?

Might not apply for this situation, but you can just output some text/error messages in the DataSource and LM will normally just ignore it. But it will show when you use the Poll Now button. So when a check fails, along with some error code in a DataPoint, I also output detailed messages they can indirectly view. I then have the person reviewing the alert use the Poll Now button to get further information. Only really helps if the alert is still active but can save some time in triage. But that might be less useful if the primary purpose is to report on errors though.