# IRPCPropertyDefsAdmin.GetAssociatedPropertyDefs

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) > [Property definition and class administration](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCPropertyDefsAdmin/index.md)

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

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

Gets the properties of a class: the property definitions associated with it and whether each is
required.

- **Service:** [Property definition and class administration](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCPropertyDefsAdmin/index.md) `MFiles.IRPCPropertyDefsAdmin`
- **gRPC method:** `/MFiles.IRPCPropertyDefsAdmin/GetAssociatedPropertyDefs`
- **HTTP (mf-http-grpc):** `POST /grpc/v1/get-associated-property-defs`
- **Request:** [`GetAssociatedPropertyDefsRequest`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCPropertyDefsAdmin/GetAssociatedPropertyDefs/index.md#request)
- **Response:** [`GetAssociatedPropertyDefsResponse`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCPropertyDefsAdmin/GetAssociatedPropertyDefs/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:** yes
- **Returns metadata structure version:** no
- **Streaming:** none (unary)

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## Remarks

- Requires a vault session; no vault rights are needed.
- Class 0 returned 12 associations in the Sample Vault.

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## Request: GetAssociatedPropertyDefsRequest

> 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 |
|---|---|---|
| `document_profile` | `int32` | The ID of the class. |

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## Response: GetAssociatedPropertyDefsResponse

> 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 |
|---|---|---|
| `values[]` | repeated [`AssociatedPropertyDef`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AssociatedPropertyDef/index.md) | One [AssociatedPropertyDef](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AssociatedPropertyDef/index.md) per property of the class. |
| `values[].property_def` | `int32` | The ID of the property definition. |
| `values[].is_required` | `bool` | True if objects of the class must have a value for this property. |