# GetInboxConversationMessages200ResponseMessagesInnerAttachmentsInner
## Properties
**id** | Option<**String**> | | [optional]
**r#type** | Option<**Type**> | (enum: image, video, audio, file, sticker, share) | [optional]
**url** | Option<**String**> | Direct media link. On Instagram and Facebook this is a signed Meta CDN url that EXPIRES: use it now, do not store it. Persist `refreshUrl` instead. | [optional]
**refresh_url** | Option<**String**> | Instagram and Facebook only. Endpoint that resolves this attachment to a working url every time, re-minting it from Meta when the stored one has expired. Safe to store and render indefinitely. | [optional]
**filename** | Option<**String**> | | [optional]
**preview_url** | Option<**String**> | | [optional]
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