# ExtensionAuthenticationTarget

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.ExtensionAuthenticationTarget/

A structure that specifies an extension authentication target.

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

<a id="fields"></a>

## Fields

| Field | Type | Number | Description |
|---|---|---|---|
| <a id="f-id"></a>`id` | `string` | 1 | The identifier of the target. Pass it as `target` to the other methods of [IRPCExtensionAuthentications](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCExtensionAuthentications/index.md). |
| <a id="f-name"></a>`name` | `string` | 2 | The display name of the target. |
| <a id="f-icon_id"></a>`icon_id` | `string` | 3 | An identifier of the target's icon. |
| <a id="f-requires_user_specific_authentication"></a>`requires_user_specific_authentication` | `bool` | 4 | True if each user must store their own credentials for this target. |
| <a id="f-supported_plugins"></a>`supported_plugins` | repeated [`PluginInfo`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.PluginInfo/index.md) | 5 | The authentication methods the target accepts. The `name` of the chosen one goes to `ExtensionAuthenticationResponse.plugin_configuration`. |

<a id="used-by-methods"></a>

## Used by methods

- [IRPCExtensionAuthentications.GetExtensionAuthenticationTargets](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCExtensionAuthentications/GetExtensionAuthenticationTargets/index.md): Lists the external systems that accept credentials through this service.

<a id="used-in-fields"></a>

## Used in fields

- [`GetExtensionAuthenticationTargetsResponse.targets`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCExtensionAuthentications/GetExtensionAuthenticationTargets/index.md#response): The targets. Pass `id` as `target` to the other methods, and use `supported_plugins` to choose how to authenticate.