# VaultApplicationDependency

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.VaultApplicationDependency/

Struct for a script module definition.

- **Full name:** `MFiles.VaultApplicationDependency`
- **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-guid"></a>`guid` | `string` | 1 | The application identifier. |
| <a id="f-name"></a>`name` | `string` | 2 | The name of the required vault application. |
| <a id="f-version"></a>`version` | `string` | 3 | The minimum required application version. |
| <a id="f-required"></a>`required` | `bool` | 4 | True if the application is required to be at at least the minimum version. |

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## Used by methods

- [IRPCClientScript.UploadScriptApplicationFileBlockEx](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/UploadScriptApplicationFileBlockEx/index.md): Uploads an application package block by block and, with the last block, installs the application.

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## Used in fields

- [`ExtApplication.vault_app_dependencies`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExtApplication/index.md#f-vault_app_dependencies): Vault application dependencies.
- [`UploadScriptApplicationFileBlockExResponse.outdated_vault_apps`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/UploadScriptApplicationFileBlockEx/index.md#response): After the last block, the dependencies whose installed version is too old. Empty otherwise.