# ObjectVersionPropertyActivity

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.ObjectVersionPropertyActivity/

Object version property activity.

- **Full name:** `MFiles.ObjectVersionPropertyActivity`
- **Proto file:** [`mfiles/structs.proto`](https://developer.m-files.com/APIs/gRPC-API/downloads/proto/mfiles/structs.proto)

<a id="fields"></a>

## Fields

| Field | Type | Number | Description |
|---|---|---|---|
| <a id="f-property_def"></a>`property_def` | `int32` | 1 | Property definition ID. |
| <a id="f-property_name"></a>`property_name` | `string` | 2 | property name. |
| <a id="f-action_type"></a>`action_type` | [`OBJECTVERSIONPROPERTYACTIVITYFLAGS`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.OBJECTVERSIONPROPERTYACTIVITYFLAGS/index.md) | 3 | The object activity type. |
| <a id="f-added_value"></a>`added_value` | [`TypedValue`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.TypedValue/index.md) | 4 | The added value to the property. |
| <a id="f-removed_value"></a>`removed_value` | [`TypedValue`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.TypedValue/index.md) | 5 | The removed value to the property. |

<a id="used-in-fields"></a>

## Used in fields

- [`ObjectVersionActivity.property_activities`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersionActivity/index.md#f-property_activities): Object version property activity array.