# Type Alias: IndexDefinition

> **IndexDefinition** = [`CustomIndexDefinition`](../../interfaces/CustomIndexDefinition/) | `CategorizationIndexDefinition`

Defined in: [schema.ts:1302](https://github.com/coda/packs-sdk/blob/44f7744bb692307d51cf2020a7058f343a7e25e8/schema.ts#L1302)

Defines how to index objects for use with full-text indexing.