Last updated on December 9, 2025

Session Notification Events 0.1.0 documentation

• Protobuf File Spec: session.proto

Published Messages (session)

The service publishes one of these messages below.

onPartyCreated

Contains fields from and the following payload.

Example value

{
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

id

This is a free-form object.

version

This is a free-form object.

name

This is a free-form object.

namespace

This is a free-form object.

parentNamespace

This is a free-form object.

timestamp

This is a free-form object.

userId

This is a free-form object.

traceId

This is a free-form object.

sessionId

This is a free-form object.

spanContext

This is a free-form object.

Published Messages (sessionNotification)

The service publishes one of these messages below.

sessionNotification

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

Published Messages (sessionEvent)

The service publishes one of these messages below.

OnSessionEnded

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

Published Messages (mpv2SessionHistory)

The service publishes one of these messages below.

GameSessionEndedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionInvitedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionInvitedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionMembersChangedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionKickedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionCreatedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionUpdatedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionRejectedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionDSStatusChangedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionCodeChangedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionCodeRevokedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyCreatedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyUpdatedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyKickedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyLeaveEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyInvitedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyRejectedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyJoinedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyMembersChangedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MetricTotalActiveSessionEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MetricAcquiringDsWaitTimeEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MetricAcquiringDsEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MetricMatchLengthDurationEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

GameSessionBackfillUpdateEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MatchHistoryEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MetricCreatedMatchmakingTicketEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MetricMatchMatchmakingEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

MetricMatchMatchmakingTicketEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyDeletedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyDisconnectedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyInviteCancelled

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyLeaderChanged

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyLeftEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

PartyRejoinedEvent

Contains fields from event and the following payload.

Example value

{
  "payload": {
    "userIds": [
      "string"
    ],
    "namespace": "string",
    "topicName": "string",
    "message": "string"
  },
  "id": "string",
  "version": 0,
  "name": "string",
  "namespace": "string",
  "parentNamespace": "string",
  "timestamp": "2019-08-24T14:15:22Z",
  "userId": "string",
  "traceId": "string",
  "sessionId": "string",
  "spanContext": "string"
}

payload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-

Schemas

event

Name	Type	Description
id	string	-
version	integer	-
name	string	-
namespace	string	-
parentNamespace	string	-
timestamp	string (date-time)	-
userId	string	-
traceId	string	-
sessionId	string	-
spanContext	string	-

notificationPayload

Name	Type	Description
userIds	array	-
namespace	string	-
topicName	string	-
message	string	-