Every property agent run is recorded with the trigger kind, the status, what the AI produced, the value that was written, the prior cell value, the duration, and any error message. Open a run from the agent panel to see the full trace, or right-click the cell in a table view and choose View AI runs for this cell to see the history for that exact record and property.
The run trace shows what the AI produced and the value that was written, not the full prompt that was sent. Use what the AI produced to see what it actually said when the written value looks unexpected.
Common failures
A run is either successful or failed; failures carry a descriptive message.
A run that didn’t write a value
Not every “no write” is a failure. With only-if-empty mode, a run succeeds with a “Skipped: property already has a value” note. With required properties configured, a run succeeds with a “Skipped: required property is empty” note (and no AI call) when a prerequisite property is empty. These are intentional skips, not errors.
Bulk reruns
If you change the prompt and want to re-evaluate, run the agent across a bounded set of records. Don’t run unbounded bulk reruns. The cost adds up quickly, and Custral processes large runs in batches.
Cost
Property agent runs use the same AI models as chat. Each run records how long it took, and your total workspace spend is visible in the Usage block. 
