@Kishore Nallan can we rename key in document "lvl0": [ "Children's Books", "Travel & Tourism" ], "lvl1": [ "Children's Books > Animals & Pets", "Children's Books > Literature & Fiction", "Travel & Tourism > Specialty Travel" ], "lvl2": [ "Children's Books > Animals & Pets > Zoos", "Children's Books > Literature & Fiction > Animals & Pets", "Travel & Tourism > Specialty Travel > Active & Outdoor" ], "lvl3": [ "Travel & Tourism > Specialty Travel > Active & Outdoor > Wildlife and Nature" ], "lvl4": [ "Travel & Tourism > Specialty Travel > Active & Outdoor > Wildlife and Nature > Hikes and Walks" ], can we rename key in document "categories.lvl0": [ "Children's Books", "Travel & Tourism" ], "categories.lvl1": [ "Children's Books > Animals & Pets", "Children's Books > Literature & Fiction", "Travel & Tourism > Specialty Travel" ], "categories.lvl2": [ "Children's Books > Animals & Pets > Zoos", "Children's Books > Literature & Fiction > Animals & Pets", "Travel & Tourism > Specialty Travel > Active & Outdoor" ], "categories.lvl3": [ "Travel & Tourism > Specialty Travel > Active & Outdoor > Wildlife and Nature" ], "categories.lvl4": [ "Travel & Tourism > Specialty Travel > Active & Outdoor > Wildlife and Nature > Hikes and Walks" ],

You can drop and re-create fields in a collection's schema: https://typesense.org/docs/29.0/api/collections.html#update-or-alter-a-collection