# SimpleACLComponent

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.SimpleACLComponent/

The users and user groups that one ACL component allows or denies read access to. Additive
automatic components have already been merged into this component, and pseudo-users have already
been resolved to concrete users and groups, so the arrays can be applied as they are.

- **Full name:** `MFiles.SimpleACLComponent`
- **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-allowed"></a>`allowed` | repeated `int32` | 1 | Users (positive IDs) and user groups (negative IDs) allowed read access by this component. |
| <a id="f-denied"></a>`denied` | repeated `int32` | 2 | Users (positive IDs) and user groups (negative IDs) denied read access by this component. |

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## Used in fields

- [`SimpleACL.value`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.SimpleACL/index.md#f-value): Components.