{
	"$schema": "https://json-schema.org/draft/2020-12/schema",
	"name": "MESSAGE_ACK",
	"description": "Sent when a message is acknowledged (marked as read).",
	"scope": "presence",
	"scopeNote": "Always dispatched to the user's presence scope only",
	"dispatchedBy": ["POST /channels/:channel_id/messages/:message_id/ack"],
	"payload": {
		"type": "object",
		"properties": {
			"channel_id": {
				"type": "string",
				"description": "Channel ID"
			},
			"message_id": {
				"type": "string",
				"description": "ID of the last read message"
			},
			"mention_count": {
				"type": "integer",
				"description": "Remaining unread mention count after this acknowledgement"
			},
			"manual": {
				"type": "boolean",
				"description": "Whether this was a manual acknowledgement"
			}
		},
		"required": ["channel_id", "message_id", "mention_count"]
	}
}