Get events from an event queue

GET https://chat.virginvoyages.com/api/v1/events

This endpoint allows you to receive new events from a registered event queue.

Usage examples

Python
JavaScript
curl

#!/usr/bin/env python

import sys
import zulip

# Pass the path to your zuliprc file here.
client = zulip.Client(config_file="~/zuliprc")

# If you already have a queue registered and thus, have a queue_id
# on hand, you may use client.get_events() and pass in the above
# arguments, like so:
print(client.get_events(
    queue_id="1515010080:4",
    last_event_id=-1
))

call_on_each_message and call_on_each_event will automatically register a queue for you.

More examples and documentation can be found here.

const zulip = require('zulip-js');

// Pass the path to your zuliprc file here.
const config = {
    zuliprc: 'zuliprc',
};

zulip(config).then((client) => {
    // Register queue to receive messages for user
    const queueParams = {
        event_types: ['message']
    };
    client.queues.register(queueParams).then((res) => {
        // Retrieve events from a queue
        // Blocking until there is an event (or the request times out)
        const eventParams = {
            queue_id: res.queue_id,
            last_event_id: -1,
            dont_block: false,
        };
        client.events.retrieve(eventParams).then(console.log);
    });
});

curl -X GET https://chat.virginvoyages.com/api/v1/events \
    -u BOT_EMAIL_ADDRESS:BOT_API_KEY \
    -d "queue_id=1375801870:2942" \
    -d "last_event_id=-1"

Arguments

Argument	Example	Required	Description
`queue_id`	`"1375801870:2942"`	No	The ID of a queue that you registered via `POST /api/v1/register` (see Register a queue).
`last_event_id`	`-1`	No	The highest event ID in this queue that you've received and wish to acknowledge. See the code for `call_on_each_event` in the zulip Python module for an example implementation of correctly processing each event exactly once.
`dont_block`	`true`	No	Set to `true` if the client is requesting a nonblocking reply. If not specified, the request will block until either a new event is available or a few minutes have passed, in which case the server will send the client a heartbeat event. Defaults to `false`.

Note: The arguments documented above are optional in the sense that even if you haven't registered a queue by explicitly requesting the https://chat.virginvoyages.com/api/v1/register endpoint, you could pass the arguments for the https://chat.virginvoyages.com/api/v1/register endpoint to this endpoint and a queue would be registered in the absence of a queue_id.

Response

Return values

events: An array (possibly zero-length if dont_block is set) of events with IDs newer than last_event_id. Event IDs are guaranted to be increasing, but they are not guaranteed to be consecutive.

Example response

A typical successful JSON response may look like:

{
    "events": [
        {
            "id": 0,
            "message": {
                "avatar_url": "https://url/for/othello-bots/avatar",
                "client": "website",
                "content": "I come not, friends, to steal away your hearts.",
                "content_type": "text/x-markdown",
                "display_recipient": "Denmark",
                "id": 12345678,
                "recipient_id": 12314,
                "sender_email": "othello-bot@example.com",
                "sender_full_name": "Othello Bot",
                "sender_id": 13215,
                "sender_realm_str": "example",
                "sender_short_name": "othello-bot",
                "subject": "Castle",
                "subject_links": [],
                "timestamp": 1375978403,
                "type": "stream"
            },
            "type": "message"
        },
        {
            "id": 1,
            "message": {
                "avatar_url": "https://url/for/othello-bots/avatar",
                "client": "website",
                "content": "With mirth and laughter let old wrinkles come.",
                "content_type": "text/x-markdown",
                "display_recipient": [
                    {
                        "email": "hamlet@example.com",
                        "full_name": "Hamlet of Denmark",
                        "id": 31572,
                        "short_name": "hamlet"
                    }
                ],
                "id": 12345679,
                "recipient_id": 18391,
                "sender_email": "othello-bot@example.com",
                "sender_full_name": "Othello Bot",
                "sender_id": 13215,
                "sender_realm_str": "example",
                "sender_short_name": "othello-bot",
                "subject": "",
                "subject_links": [],
                "timestamp": 1375978404,
                "type": "private"
            },
            "type": "message"
        }
    ],
    "msg": "",
    "result": "success"
}

BAD_EVENT_QUEUE_ID errors

If the target event queue has been garbage collected, you'll get the following error response:

{
    "code": "BAD_EVENT_QUEUE_ID",
    "msg": "Bad event queue id: 1518820930:1",
    "queue_id": "1518820930:1",
    "result": "error"
}

A compliant client will handle this error by re-initializing itself (e.g. a Zulip webapp browser window will reload in this case).

See the /register endpoint docs for details on how to handle these correctly.

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