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ChatFile

Updated on Feb 5, 2026

Represents the files attached to a message.

Name	Type	Description
extension	`string`	Sets the file extension, for example, `'.pdf'` or `'.jpg'`.
id	`string \| number`	Sets the unique identifier for the file.
name	`string`	Sets the file name.
rawFile?	`File`	Provides an in-memory representation of the file.
size	`number`	Sets the file size in bytes.
thumbnailUrl?	`string`	Sets the optional preview image URL.
type	`string`	Sets the MIME type, for example, `'application/pdf'`.
url?	`string`	Sets the optional URL to download or view the file.