Cuneyt Celebican developed a Multiselect field type for the CustomObjectFieldType in the zendesk/zaf-toolbox repository, enabling users to define custom objects with multi-valued selections. By extending the enum management and refining interface definitions in TypeScript, Cuneyt ensured that custom object fields could support more flexible data modeling. The implementation included fixing a missing type entry, which improved type resolution and reduced the risk of runtime errors. This work enhanced the reliability and configurability of custom objects for customers. Over the course of the month, Cuneyt focused on robust TypeScript practices, emphasizing maintainable code and improved data integrity.