JsonAttachment

represents a file attached to a message. When sending, only filename is required.

This type can contain the following fields:

field	type	info
`blurhash`	String
`caption`	String
`contentType`	String
`customFilename`	String	the original name of the file
`digest`	String
`filename`	String	when sending, the path to the local file to upload
`height`	int
`id`	String
`key`	String
`size`	int
`storedFilename`	String	when receiving, the path that file has been downloaded to
`voiceNote`	boolean
`width`	int

References