# Language

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.Language/

Language.

- **Full name:** `MFiles.Language`
- **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-id"></a>`id` | `int32` | 1 | Language ID. |
| <a id="f-name"></a>`name` | `string` | 2 | The name of the language. |
| <a id="f-language_code"></a>`language_code` | `string` | 3 | Language indentifier, e.g. the ISO 639-1 or ISO 639-2 language code such as "en" or "eng". |

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## Used by methods

- [IRPCLanguages.GetLanguages](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLanguages/GetLanguages/index.md): Gets the metadata languages defined in the vault.
- [IRPCLanguagesAdmin.AddLanguage](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLanguagesAdmin/AddLanguage/index.md): Adds a language to the vault.
- [IRPCLanguagesAdmin.ModifyLanguage](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLanguagesAdmin/ModifyLanguage/index.md): Changes the name or language code of a language.

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## Used in fields

- [`DeclarativeMetadataStructure.languages`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.DeclarativeMetadataStructure/index.md#f-languages): An array of the Language structures defining the vault languages.
- [`SessionInfoServer.language`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.SessionInfoServer/index.md#f-language): The user's language in the vault. The code and the name may be empty.
- [`VaultData.language`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.VaultData/index.md#f-language): The user's language in this vault. The code and name may be empty.
- [`GetLanguagesResponse.values`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLanguages/GetLanguages/index.md#response): The languages of the vault. Use the `id` with [ChangeLanguage](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLanguages/ChangeLanguage/index.md).
- [`AddLanguageRequest.lang`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLanguagesAdmin/AddLanguage/index.md#request): The new language: `name` and `language_code` (for example `fi`). `id` is ignored.
- [`ModifyLanguageRequest.lang`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCLanguagesAdmin/ModifyLanguage/index.md#request): The new data of the language; `id` identifies the language.