The id of the attachment
The filename of the attachment
The file size in bytes
The url of the attachment
The proxyUrl of the attachment
The height of the attachment if it's an image
The width of the attachment if it's an image
The filename of the attachment
The height of the attachment if it's an image
The id of the attachment
The proxyUrl of the attachment
The file size in bytes
The url of the attachment
The width of the attachment if it's an image
An attachment for a message
The id of the attachment
The filename of the attachment
The file size in bytes
The url of the attachment
The proxyUrl of the attachment
The height of the attachment if it's an image
The width of the attachment if it's an image