Make Slack-confirmed deadlines visible in Canvas
Put a finalized deadline in the course calendar so learners can plan without searching through team conversations.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Action
Create Calendar Event
Creates a calendar event with options for recurrence (finite `rrule` series only), section-specific timings, and blackout dates within a specified context.
Why this helps
A deadline that exists only in a Slack decision can surprise learners and create avoidable follow-up.
- Make deadlines visible in the course calendar.
- Reduce repeated questions about course timing.
- Keep team decisions and learner schedules aligned.
Setup
Build it in a few focused steps.
- 1Connect Slack and Canvas to Notis once through the portal.
- 2Create an automation in the portal or ask Notis to set it up conversationally.
- 3Write one instruction asking Notis to create a Canvas calendar event only for finalized, learner-facing course deadlines stated in Slack.
- 4Select Slack Channel Message Received, choose the run-report channel, and test with one confirmed deadline.
Questions about this workflow
Will this also create an assignment?
This workflow creates a Canvas calendar event. Use a separate assignment workflow when the deadline belongs to a new assignment.
What if the deadline is still being discussed?
Specify that Notis should wait for clear confirmation in a qualifying Slack message.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Canvas. A trigger fires from one place; an action lands in another.
Slack triggers
Canvas actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create account notification
Creates a global notification within a canvas account, ensuring `end at` is after `start at` and any specified `notification roles` are valid.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Create appointment group
Creates a new appointment group in canvas for schedulable time slots within specified course or group contexts.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Create an assignment
Creates a new assignment within a specified course in canvas lms.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Create assignment override
Creates an assignment override to adjust due/unlock/lock dates for an assignment in a course, targeting specific students (requires `title`), a group, or a course section; at least one target (`student ids`, `group id`, or `course section id`) is required.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Create Calendar Event
Creates a calendar event with options for recurrence (finite `rrule` series only), section-specific timings, and blackout dates within a specified context.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Create communication channel
Creates a new communication channel (e.g., email, sms, push) for an existing canvas user to receive notifications.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Create content share
Shares a canvas content item to specified users, if the sender has necessary permissions and receiver ids are valid.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Create conversation
Use to send messages in canvas by creating a new conversation or adding to an existing one; an existing conversation with the same recipients (and matching scope/filter, if specified) may be reused unless `force new` is true.
Connect any two apps with Notis in the middle.
Slack and Canvas, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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