# ObjectTypeSpecificClassContentUnion

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.ObjectTypeSpecificClassContentUnion/

Union for event type specific data in Event.

- **Full name:** `MFiles.ObjectTypeSpecificClassContentUnion`
- **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-assignment"></a>`assignment` | [`AssignmentClassInfo`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AssignmentClassInfo/index.md) (oneof data) | 10 | Assignment-specific class settings. |

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## Used in fields

- [`DocClass.object_type_specific_properties`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.DocClass/index.md#f-object_type_specific_properties): Additional object type specific class content.
- [`ObjectClass.object_type_class_content`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectClass/index.md#f-object_type_class_content): Settings that only some object types have; set for the assignment classes of object type 10 (Assignment).