---
type: resource-type
title: CollectionIndex
description: aws resource type AWS::OpenSearchServerless::CollectionIndex
name: CollectionIndex
lexicon: aws
resource_type: AWS::OpenSearchServerless::CollectionIndex
---
`AWS::OpenSearchServerless::CollectionIndex`, a resource type of the aws lexicon.

## Properties

- `Id` (`string`, required): The identifier of the collection
- `IndexName` (`string`, required): The name of the collection index
- `IndexSchema` (`string`, optional): The Mappings for the collection index