# IRPCObjectTypesAdmin.GetExternalObjectTypePlugins

Location: [gRPC API](https://developer.m-files.com/APIs/gRPC-API/index.md) > [Administration API](https://developer.m-files.com/APIs/gRPC-API/admin/index.md) > [Object type administration](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectTypesAdmin/index.md)

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

Badges: `Administration API / specialized` `admin` `session`

Lists the installed connectors (vault applications) that can provide the items of external
object types.

- **Service:** [Object type administration](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectTypesAdmin/index.md) `MFiles.IRPCObjectTypesAdmin`
- **gRPC method:** `/MFiles.IRPCObjectTypesAdmin/GetExternalObjectTypePlugins`
- **HTTP (mf-http-grpc):** `POST /grpc/v1/get-external-object-type-plugins`
- **Request:** [`GetExternalObjectTypePluginsRequest`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectTypesAdmin/GetExternalObjectTypePlugins/index.md#request)
- **Response:** [`GetExternalObjectTypePluginsResponse`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectTypesAdmin/GetExternalObjectTypePlugins/index.md#response)
- **Book and level:** Administration API, specialized
- **Kind:** admin
- **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 `read_all_metadata_structure`; a normal user gets "Access denied.".
- Empty when no connector is installed (as in the Sample Vault).

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## Request: GetExternalObjectTypePluginsRequest

No fields.

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## Response: GetExternalObjectTypePluginsResponse

> 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 |
|---|---|---|
| `plugin_infos[]` | repeated [`ExternalObjectTypePluginInfo`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExternalObjectTypePluginInfo/index.md) | One [ExternalObjectTypePluginInfo](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExternalObjectTypePluginInfo/index.md) per installed connector. |
| `plugin_infos[].guid` | `string` | The service identifier. |
| `plugin_infos[].name` | `string` | The application name. |
| `plugin_infos[].version` | `string` | The application version (author set). |
| `plugin_infos[].description` | `string` | The application description. |
| `plugin_infos[].publisher` | `string` | The application publisher. |
| `plugin_infos[].configuration_domain_id` | `string` | The configuration domain of the service. |
| `plugin_infos[].initial_page_to_open` | `string` | The initial page to open in configuration dialog. |
| `plugin_infos[].object_types[]` | repeated `int32` | The object type IDs that have a configuration. |