# HistoryMetadataParticipant
## Properties
**id** | Option<**String**> | The ID of the user or system associated with a history record. | [optional]
**display_name** | Option<**String**> | The display name of the user or system associated with a history record. | [optional]
**display_name_key** | Option<**String**> | The key of the display name of the user or system associated with a history record. | [optional]
**_type** | Option<**String**> | The type of the user or system associated with a history record. | [optional]
**avatar_url** | Option<**String**> | The URL to an avatar for the user or system associated with a history record. | [optional]
**url** | Option<**String**> | The URL of the user or system associated with a history record. | [optional]
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