# Activity
## Properties
**id** | **i32** | |
**node_id** | **String** | |
**before** | **String** | The SHA of the commit before the activity. |
**after** | **String** | The SHA of the commit after the activity. |
**r#ref** | **String** | The full Git reference, formatted as `refs/heads/<branch name>`. |
**timestamp** | **String** | The time when the activity occurred. |
**activity_type** | **String** | The type of the activity that was performed. |
**actor** | Option<[**models::NullableSimpleUser**](nullable-simple-user.md)> | |
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