{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sgip.dev/schemas/v0.1/ops/message.receipt@1.json",
  "title": "message.receipt@1",
  "description": "Delivered or read receipts for messages the recipient got.",
  "type": "object",
  "properties": {
    "payload": {
      "type": "object",
      "required": [
        "message_ids",
        "status"
      ],
      "properties": {
        "message_ids": {
          "type": "array",
          "items": {
            "$ref": "../common.json#/$defs/ulid"
          },
          "minItems": 1,
          "maxItems": 100
        },
        "status": {
          "enum": [
            "delivered",
            "read"
          ]
        }
      }
    },
    "result": {
      "anyOf": [
        {
          "type": "object",
          "required": [
            "updated"
          ],
          "properties": {
            "updated": {
              "type": "integer",
              "minimum": 0
            }
          }
        },
        {
          "type": "object",
          "required": [
            "queued"
          ],
          "properties": {
            "queued": {
              "const": true,
              "description": "The receiver was offline; the hub holds the envelope (section 5)"
            }
          }
        }
      ]
    }
  },
  "required": [
    "payload",
    "result"
  ],
  "examples": [
    {
      "payload": {
        "message_ids": [
          "01JA0000000000000000000011"
        ],
        "status": "read"
      },
      "result": {
        "updated": 1
      }
    }
  ]
}