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Notis

Query presence across activity channels

See where your collaborators are active before deciding how to follow up.

Trigger

New Activity Trigger

Triggered when there is activity in Trello.

Action

Query Batch Presence

This tool enables querying the presence states of multiple channels in a single api request. the api retrieves the member presence details of the specified channels in parallel.

Why this helps

Coordination slows when you check channel participation one channel at a time.

  • Check multiple channels quickly
  • Choose the right follow-up path
  • Reduce coordination overhead

Setup

Build it in a few focused steps.

  • 1Connect Trello and Ably in Notis.
  • 2Create an automation for batch presence checks.
  • 3Tell Notis which related channels to query and how to summarize their presence.
  • 4Choose New Activity as the trigger.
  • 5Select a report channel and test with one activity event.

Questions about this workflow

How many channels can be checked?

The action is designed to query multiple specified channels in one request.

Does it notify anyone?

No. It returns presence details for Notis to summarize.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Trello to Ably. A trigger fires from one place; an action lands in another.

Trello triggers

Ably actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Query Batch Presence

This tool enables querying the presence states of multiple channels in a single api request. the api retrieves the member presence details of the specified channels in parallel.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Query Batch Presence History

This tool enables querying presence history for multiple channels in a single api request. it uses the get endpoint at https://rest.ably.io/presence to retrieve the member presence history details of the specified channels in parallel.

ActionInstant

Card Archived Trigger

Triggered when a card is archived in the specified board

TriggerInstant

Create Ably Channel

Creates a new channel or retrieves an existing channel in ably. this tool allows you to programmatically create and initialize channels for real-time messaging. since ably creates channels implicitly when first used, this action publishes an empty initialization message to create/activate the channel.

ActionInstant

New Activity Trigger

Triggered when there is activity in Trello.

TriggerInstant

Delete Channel Subscription

This tool allows you to unsubscribe devices or clients from push notifications for specific channels. the operation is asynchronous, so immediate requests after deletion may briefly still return the subscription.

ActionInstant

New Board Trigger

Triggered when a board is created in the specified workspace

TriggerInstant

Get Channel Details

This tool retrieves metadata and details for a specific channel in ably. it returns a channeldetails object containing information about the channel's status, occupancy, and other metadata. the endpoint provides visibility into channel activity, including metrics such as connections, presence, publishers, and subscribers, and requires appropriate permissions.

ActionInstant

New Card Trigger

Triggered when a card is created in the specified board

TriggerInstant

Get Channel History

This tool retrieves the message history for a specified ably channel. it uses the get /channels/{channelid}/messages endpoint to return a paginated list of messages in chronological order, subject to parameters such as 'channelid', 'limit', 'direction', 'start', and 'end'. the tool is useful for auditing, recovering missed messages, analyzing channel activity, and debugging message flows. authentication is required via basic or token authentication.

ActionInstant

Card Updated Trigger

Triggered when a specific card is updated

TriggerInstant

Get Channel Presence History

This tool retrieves the history of presence messages for a specified channel in ably. it allows you to query presence events on a channel within a given time period.

ActionInstant

Get Ably Service Time

This tool retrieves the current server time from ably's service in milliseconds since the epoch. it is particularly useful for time synchronization and generating valid tokenrequest timestamps to prevent replay attacks. the endpoint supports multiple content types, handles http errors, network issues, and is a fundamental tool for ensuring accurate timing in ably applications.

ActionInstant

Connect any two apps with Notis in the middle.

Trello and Ably, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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