attachment
idinteger
message_idinteger
The message the file came in on
file_typestring
image, audio, video, file, location, fallback, share, story_mention, contact
extensionstring
file_sizeinteger
Size in bytes
data_urlstring
URL of the file itself
thumb_urlstring
URL of the thumbnail, for the types that have one
widthinteger
heightinteger
created_atinteger
Unix timestamp of the message the file arrived on
senderobject
Who sent it. Absent for a message with no sender, such as a system note.
attachment
{
"id": 0,
"message_id": 0,
"file_type": "string",
"extension": "string",
"file_size": 0,
"data_url": "string",
"thumb_url": "string",
"width": 0,
"height": 0,
"created_at": 0,
"sender": {}
}