Ably · Schema

PresenceMessage

Real-TimeWebSocketsPub-SubMessagingStreamingPush NotificationsChatLiveSync

Properties

Name Type Description
id string Unique ID assigned by Ably to this presence update.
action string The event signified by a PresenceMessage.
data string The presence update payload, if provided.
clientId string The client ID of the publisher of this presence update.
connectionId string The connection ID of the publisher of this presence update.
timestamp integer Timestamp when the presence update was received by Ably, as milliseconds since the epoch.
encoding string This will typically be empty as all presence updates received from Ably are automatically decoded client-side using this value. However, if the message encoding cannot be processed, this attribute wil
extras object
View JSON Schema on GitHub

JSON Schema

ably-presencemessage-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/PresenceMessage",
  "title": "PresenceMessage",
  "type": "object",
  "properties": {
    "id": {
      "description": "Unique ID assigned by Ably to this presence update.",
      "type": "string",
      "readOnly": true
    },
    "action": {
      "description": "The event signified by a PresenceMessage.",
      "type": "string",
      "enum": [
        "ABSENT",
        "PRESENT",
        "ENTER",
        "LEAVE",
        "UPDATE"
      ],
      "readOnly": true
    },
    "data": {
      "description": "The presence update payload, if provided.",
      "type": "string"
    },
    "clientId": {
      "description": "The client ID of the publisher of this presence update.",
      "type": "string"
    },
    "connectionId": {
      "description": "The connection ID of the publisher of this presence update.",
      "type": "string"
    },
    "timestamp": {
      "description": "Timestamp when the presence update was received by Ably, as milliseconds since the epoch.",
      "type": "integer",
      "format": "int64",
      "readOnly": true
    },
    "encoding": {
      "description": "This will typically be empty as all presence updates received from Ably are automatically decoded client-side using this value. However, if the message encoding cannot be processed, this attribute will contain the remaining transformations not applied to the data payload.",
      "type": "string"
    },
    "extras": {
      "$ref": "#/components/schemas/Extras"
    }
  }
}

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