When a user receives a message or private resource from another user, they should send back a receipt of delivery to the original sender.
Description
Used to notify another user that a message or resource was received.
This object contains the following properties:
receipt
(string, required)
The resource identifier of the message or resource received.
Schema
{
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
"properties": {
"receipt": {
"type": "string"
}
},
"required": [ "receipt" ]
}