Audit who was present in an Ably channel
Understand participation patterns when a live channel needs a retrospective check.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
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.
Why this helps
You need to know who joined or left during an incident, launch, or support window.
- Reconstruct participation during incidents
- Create a readable presence timeline
- Support follow-up with evidence from Ably
Setup
Build it in a few focused steps.
- 1Connect Ably in Notis once.
- 2Create a webhook automation for presence audits.
- 3Tell Notis the channel, time range, and questions the summary should answer.
- 4Choose the webhook trigger and a report channel.
- 5Test with one real webhook request.
Questions about this workflow
What data is reviewed?
The action retrieves presence history for the specified Ably channel and time period.
Can it infer why someone left?
No. It can summarize recorded presence events but cannot infer motives.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Typeform to Ably. A trigger fires from one place; an action lands in another.
Typeform triggers
Ably actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
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.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
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.
New Form Response
Triggers when a respondent completes and submits the form.
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.
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.
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.
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.
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.
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.
Connect any two apps with Notis in the middle.
Typeform and Ably, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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