# AttachmentMetadata
## Properties
**id** | Option<**i64**> | The ID of the attachment. | [optional][readonly]
**_self** | Option<**String**> | The URL of the attachment metadata details. | [optional][readonly]
**filename** | Option<**String**> | The name of the attachment file. | [optional][readonly]
**author** | Option<[**crate::models::User**](User.md)> | Details of the user who attached the file. | [optional][readonly]
**created** | Option<**String**> | The datetime the attachment was created. | [optional][readonly]
**size** | Option<**i64**> | The size of the attachment. | [optional][readonly]
**mime_type** | Option<**String**> | The MIME type of the attachment. | [optional][readonly]
**properties** | Option<[**::std::collections::HashMap<String, serde_json::Value>**](serde_json::Value.md)> | Additional properties of the attachment. | [optional][readonly]
**content** | Option<**String**> | The URL of the attachment. | [optional][readonly]
**thumbnail** | Option<**String**> | The URL of a thumbnail representing the attachment. | [optional][readonly]
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