# ExtApplicationDef

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.ExtApplicationDef/

Struct for a script module definition.

- **Full name:** `MFiles.ExtApplicationDef`
- **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-application"></a>`application` | [`ExtApplication`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExtApplication/index.md) | 1 | The script application information. |
| <a id="f-modules"></a>`modules` | repeated [`ExtAppModuleDef`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExtAppModuleDef/index.md) | 2 | The script application modules and files. |
| <a id="f-dashboards"></a>`dashboards` | repeated [`ExtAppDashboardDef`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExtAppDashboardDef/index.md) | 3 | The script application dashboards. |

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

## Used by methods

- [IRPCClientScript.GetClientScriptApplicationsDetails](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/GetClientScriptApplicationsDetails/index.md): Lists the enabled UI extension applications of the new M-Files clients with their modules, files and dashboards.

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## Used in fields

- [`GetClientScriptApplicationsDetailsResponse.applications`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCClientScript/GetClientScriptApplicationsDetails/index.md#response): The applications with their modules and dashboards. See [ExtApplicationDef](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExtApplicationDef/index.md).