Zeeshan Alam enhanced the opensearch-project/data-prepper repository by developing a new feature for the Dissect processor, introducing a delete_source option that removes the original source field after dissection. This addition streamlines document schemas and reduces unnecessary field clutter, improving downstream data processing and storage efficiency. Zeeshan implemented the feature in Java, designing the configuration and ensuring robust operation through comprehensive unit tests. The work demonstrated backend development and event processing skills, focusing on data cleanliness and predictable schema outcomes. Over the month, Zeeshan’s contribution addressed a targeted need for leaner document structures without introducing regressions or reported bugs.