# ExtensionAuthenticationStatus

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.ExtensionAuthenticationStatus/

A structure that specifies an extension authentication status.

- **Full name:** `MFiles.ExtensionAuthenticationStatus`
- **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-user"></a>`user` | `int32` | 1 | The ID of the user account the credentials belong to. |
| <a id="f-user_type"></a>`user_type` | [`ExtensionAuthenticationSpecialUserType`](https://developer.m-files.com/APIs/gRPC-API/Reference/Enums/MFiles.ExtensionAuthenticationSpecialUserType/index.md) | 2 | `EXTENSION_AUTHENTICATION_SPECIAL_USER_TYPE_NORMAL` for a user's own credentials, or the kind of vault-wide account. Values: `EXTENSION_AUTHENTICATION_SPECIAL_USER_TYPE_NORMAL` (0), `EXTENSION_AUTHENTICATION_SPECIAL_USER_TYPE_COMMON` (1), `EXTENSION_AUTHENTICATION_SPECIAL_USER_TYPE_BACKGROUND` (2), `EXTENSION_AUTHENTICATION_SPECIAL_USER_TYPE_PERMISSIONS` (3). |
| <a id="f-connection_name"></a>`connection_name` | `string` | 3 | The `id` of the target. |
| <a id="f-account"></a>`account` | `string` | 4 | The account name on the external system. |
| <a id="f-is_missing"></a>`is_missing` | `bool` | 5 | True if no usable credentials are stored for this user and target. |

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## Used by methods

- [IRPCExtensionAuthentications.GetExtensionAuthenticationStatus](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCExtensionAuthentications/GetExtensionAuthenticationStatus/index.md): Lists the targets for which the caller has stored credentials, with the account name used.

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## Used in fields

- [`GetExtensionAuthenticationStatusResponse.statuses`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCExtensionAuthentications/GetExtensionAuthenticationStatus/index.md#response): One entry per target with stored credentials.