# IRPCClientScript.ReloadApplication

Location: [gRPC API](https://developer.m-files.com/APIs/gRPC-API/index.md) > [Vault API](https://developer.m-files.com/APIs/gRPC-API/vault/index.md) > [Client scripts and UI extension applications](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/index.md)

HTML version: https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/ReloadApplication/

Badges: `Vault API / standard` `write` `session`

Restarts a hot-swappable vault application on all servers of the vault.

- **Service:** [Client scripts and UI extension applications](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/index.md) `MFiles.IRPCClientScript`
- **gRPC method:** `/MFiles.IRPCClientScript/ReloadApplication`
- **HTTP (mf-http-grpc):** `POST /grpc/v1/reload-application`
- **Request:** [`ReloadApplicationRequest`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/ReloadApplication/index.md#request)
- **Response:** [`ReloadApplicationResponse`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/ReloadApplication/index.md#response)
- **Book and level:** Vault API, standard
- **Kind:** write
- **Session:** Required: the session ID from LogIn in the mfiles-session-id-bin metadata.
- **Idempotent:** no
- **Returns metadata structure version:** no
- **Streaming:** none (unary)

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## Remarks

- Requires the vault right `change_metadata_structure`.
- Applies to applications with `ExtApplication.hot_swappable` true. The request is sent to the
  servers of the vault as a broadcast message; the call returns before the application has
  restarted.

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## Request: ReloadApplicationRequest

> Nested message fields are expanded to depth 3; follow a type link for deeper levels and for the type's own page.

| Field | Type | Description |
|---|---|---|
| `application` | `string` | The GUID of the vault application. |

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## Response: ReloadApplicationResponse

No fields.