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# Resource: Indexes

# Type: Index Object

# Link: https://dev.wix.com/docs/api-reference/business-solutions/cms/collection-management/indexes/index-object.md

## Description: An index is a map of a collection's data, organized according to specific fields to increase query speed.

## Schema:

```json
 Type: Index Object | type: Index
 Description: An index is a map of a collection's data, organized according to specific fields to increase query speed.
       - name: id  | type: string | description: ID of the index.
       - name: name  | type: string | description: Name of the index.
       - name: fields  | type: Array<Field> | description: Fields for which the index is defined.  Max: 3 fields (for a unique index: 1 field)
           - name: path  | type: string | description: Path of the field to index. For example: `title` or `options.price`.
           - name: order  | type: string | description: Sort order for the index. Base on how the data is regularly queried.  Default: `ASC`
               enum: ASC, DESC
       - name: status  | type: string | description: Current status of the index.
           enum: UNKNOWN, BUILDING, ACTIVE, DROPPING, DROPPED, FAILED, INVALID
       - name: failure  | type: Failure | description: Contains details about the reasons for failure when `status` is `FAILED`.
           - name: code  | type: string | description: Error code. - `WDE0112`: Unknown error while building collection index. - `WDE0113`: Duplicate key error while building collection index. - `WDE0114`: Document too large while building collection index.
           - name: description  | type: string | description: Description of the failure.
           - name: itemId  | type: string | description: ID of the data item that caused the failure. For example, if `unique` is `true`, the ID of an item containing a duplicate value.
               - name: value  | type: string | description: 
       - name: unique  | type: boolean | description: Whether the index enforces uniqueness of values in the field for which it's defined. If `true`, the index can have only 1 field.  Default: `false`
       - name: caseInsensitive  | type: boolean | description: Whether the index ignores case.  Default: `false`
       - name: source  | type: string | description: Source of the index. See index sources in [Index Types](https://dev.wix.com/docs/api-reference/business-solutions/cms/indexes/index-types.md#index-sources).  Default: `USER`
           enum: SYSTEM, USER, AUTO

```