# IndexerPartition

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.IndexerPartition/

Description of an indexer partition.

- **Full name:** `MFiles.IndexerPartition`
- **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-rule"></a>`rule` | [`IndexerPartitioningRule`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.IndexerPartitioningRule/index.md) | 1 | Specifies how the indexing is partitioned. |
| <a id="f-id"></a>`id` | `uint32` | 2 | Zero-based identifier of the partition. |

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## Used in fields

- [`IndexingRequest.partition`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.IndexingRequest/index.md#f-partition): If set, specifies how to partition the candidate objects for this caller.
- [`MonitoringSourceForIndexing.partition`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.MonitoringSourceForIndexing/index.md#f-partition): If set, specifies the partition associated with the monitoring data.