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Coordinate reviewer changes before they create drift

A reviewer change can signal a handoff or a blocker. Find time to align before the pull request starts circulating without an owner.

Trigger

GitHub Pull Request Reviewers Changed

Triggers when the list of requested reviewers (users or teams) for a pull request changes — for example when a reviewer is added, removed, or re-requested. The payload includes the full current reviewer list (users and teams with details), which reviewers were added, which were removed, and the previous reviewer list for reference.

Action

Check calendar availability

Retrieves free/busy availability for a specified calendar to aid scheduling without revealing event details; requires an existing, accessible calendar, noting that data granularity can vary.

Why this helps

Reviewer changes can create ambiguity that remains unresolved across comments and notifications.

  • Makes reviewer handoffs easier to close.
  • Reduces ambiguity around ownership.
  • Prevents long comment threads from replacing a short conversation.

Setup

Build it in a few focused steps.

  • 1Connect GitHub and Cal to Notis once through the portal.
  • 2Create a new automation in the portal or ask Notis to create it in plain language.
  • 3Use this instruction: When the requested reviewers on a GitHub pull request change, check Cal availability for a short coordination conversation and report suitable windows.
  • 4Choose GitHub Pull Request Reviewers Changed and select a reporting channel.
  • 5Test with one real reviewer change.

Questions about this workflow

Does every reviewer change trigger it?

The configured GitHub trigger determines which changes are monitored.

Will it invite the reviewers?

No. It reports availability for coordination.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

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

GitHub triggers

Cal actions

Recurring trigger

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

TriggerScheduled

Add member to team

Adds a new member to a specified team within an organization by creating a team membership.

ActionInstant

Webhook trigger

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

TriggerInstant

Add organization attribute option

Adds a new option to an organization's attribute, requiring a display `value` and a `slug` unique for that attribute.

ActionInstant

New Workflow Artifact Created

Triggers when a new workflow artifact is created in a GitHub repository. Monitors for newly created GitHub Actions workflow artifacts. Optionally filters by artifact name to restrict monitoring to specific artifacts.

TriggerPolling

Delete oauth client webhook

Permanently deletes a specific webhook subscription of an oauth client in the cal application, stopping its notifications.

ActionInstant

Branch Changed

Triggers when a GitHub branch changes. Monitors a specific branch for: - New commits pushed (head commit SHA changes) - Protection status toggled (branch becomes protected or unprotected) - Protection settings changed, including: required status checks and their enforcement level, admin enforcement, required pull request reviews (dismiss stale reviews, code owner reviews, approving review count, last push approval), required linear history, force push allowance, deletion allowance, conversation resolution, branch locking, and fork syncing.

TriggerPolling

Cancel booking via uid

Cancels an existing and active cal.com booking using its unique identifier (uid).

ActionInstant

New Branch Created

Triggers when a new branch is created in a GitHub repository. Detects newly created branches. Deleted branches do not fire events.

TriggerPolling

Check calendar availability

Retrieves free/busy availability for a specified calendar to aid scheduling without revealing event details; requires an existing, accessible calendar, noting that data granularity can vary.

ActionInstant

Check Run Status / Conclusion Changed

Triggers when a specific GitHub check run changes its status or conclusion. Monitors a single check run for changes to: status (queued, in_progress, completed, etc.), conclusion (success, failure, neutral, cancelled, skipped, timed_out, action_required), started_at, and completed_at.

TriggerPolling

Check gcal synchronization status

Call this read-only action to verify the connection and synchronization status of a user's google calendar integration with cal.

ActionInstant

Check Suite Status / Conclusion Changed

Triggers when a GitHub check suite changes its status or conclusion for a given ref. Monitors all check suites associated with a git reference (branch, tag, or commit SHA) for changes to status (queued, in_progress, completed, etc.) and conclusion (success, failure, neutral, cancelled, skipped, timed_out, action_required, startup_failure, stale). Optionally filters by GitHub App ID.

TriggerPolling

Check ics feed calendar endpoint

Checks an ics feed url (expected as a query parameter) to verify its validity, accessibility, and icalendar data integrity.

ActionInstant

New Code Scanning Alert Created

Triggers when a new code scanning alert is created in a repository. Fires an event for each newly created code scanning alert detected in the configured repository. Alerts can be filtered by Git reference, scanning tool, state, and severity. The payload includes the alert number, rule details, tool information, state, severity, and the location of the most recent instance.

TriggerPolling

Check Stripe status

Verifies if stripe is correctly connected to the cal scheduling system and functional for processing payments, reporting only on the integration's status.

ActionInstant

Connect any two apps with Notis in the middle.

GitHub and Cal, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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