Prepare a dedicated list for each customer cohort
Cohort setup creates many small admin tasks. Let Notis prepare the Emailoctopus list when the Slack channel appears, so the destination is ready for explicit opt-ins.
Trigger
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Action
Create List
This tool creates a new mailing list in emailoctopus. it allows users to create a new list where contacts can be added and managed.
Why this helps
Cohort communications become scattered when the email list is created after the group is already underway.
- Establishes a dedicated destination before follow-up begins.
- Makes cohort setup more consistent.
- Keeps list creation tied to the matching Slack channel context.
Setup
Build it in a few focused steps.
- 1Connect Slack and Emailoctopus to Notis once in the portal.
- 2Ask Notis to create an Emailoctopus list when a new Slack channel is created for a customer cohort.
- 3Describe the cohort-channel condition and list naming approach in one plain-language prompt.
- 4Select the new channel created trigger and choose a channel for run reports.
- 5Test with one real cohort channel and confirm the list is present in Emailoctopus.
Questions about this workflow
Can this create lists for ordinary internal channels?
The prompt should identify cohort channels specifically and exclude unrelated channels.
Does creating the list add cohort members automatically?
No. This action creates a list. Add only people who explicitly opt in through a separate contact workflow.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Emailoctopus. A trigger fires from one place; an action lands in another.
Slack triggers
Emailoctopus actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create Contact
This tool creates a new contact in emailoctopus. the tool will add a contact to a specified list with the provided information.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Create List
This tool creates a new mailing list in emailoctopus. it allows users to create a new list where contacts can be added and managed.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Delete Contact
This tool allows you to delete a contact from a specified list in emailoctopus. it uses the delete /api/1.6/lists/{list id}/contacts/{contact id} endpoint to permanently remove the contact from the list. this action is irreversible and is essential for list management and data privacy compliance.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Delete List
This tool allows you to delete an existing mailing list from your emailoctopus account. once a list is deleted, it cannot be recovered, and all contacts within the list will be permanently removed. note: lists can only be deleted if no contacts within the list have received an email in the last 7 days.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Get All Lists
This tool retrieves all the mailing lists associated with the emailoctopus account.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Get Recent Campaigns
This tool retrieves a list of recent campaigns from the emailoctopus account. it uses the get endpoint at https://emailoctopus.com/api/1.6/campaigns and allows filtering by parameters like limit and page.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Unsubscribe Contact
This tool unsubscribes a contact from an emailoctopus list. it takes an email address as input, retrieves the contact's details using the find contact functionality, and unsubscribes the contact from the associated list.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slack and Emailoctopus, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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