# ObjectIndexMetadata

Location: [gRPC API](https://developer.m-files.com/APIs/gRPC-API/index.md) > [Reference](https://developer.m-files.com/APIs/gRPC-API/Reference/index.md) > [Messages](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/index.md)

HTML version: https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectIndexMetadata/

Object ID info for metadata indexing.

- **Full name:** `MFiles.ObjectIndexMetadata`
- **Proto file:** [`mfiles/structs.proto`](https://developer.m-files.com/APIs/gRPC-API/downloads/proto/mfiles/structs.proto)

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## Fields

| Field | Type | Number | Description |
|---|---|---|---|
| <a id="f-relative_relevance_score"></a>`relative_relevance_score` | `float` | 1 | Relevance score of the object. |
| <a id="f-last_modified_for_indexing_utc"></a>`last_modified_for_indexing_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | 2 | The last modified timestamp for indexing. |
| <a id="f-version_for_ix"></a>`version_for_ix` | [`LogicalTimestamp`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.LogicalTimestamp/index.md) | 3 | Logical timestamp for indexing. |

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## Used in fields

- [`ObjectDataForIX.index_metadata`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectDataForIX/index.md#f-index_metadata): Metadata information for storing the object in the index.