| `description`     | no      | -        | Description of the processor. Useful for describing the purpose of the processor or its configuration.
| `if`             | no       | -        | Conditionally execute the processor. See <<conditionally-run-processor>>.
| `ignore_failure` | no       | `false`  | Ignore failures for the processor. See <<handling-pipeline-failures>>.
| `on_failure`     | no       | -        | Handle failures for the processor. See <<handling-pipeline-failures>>.
| `tag`            | no       | -        | Identifier for the processor. Useful for debugging and metrics.