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Mark Process Street Workflows Complete by Removing Slack Reactions

You completed the work. Remove the reaction from the Slack message. Notis marks the matching workflow run as complete in Process Street. One action closes the loop.

Trigger

Message Reaction Removed

Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.

Action

Complete a workflow run

This tool marks an entire workflow run as completed in process street. it updates the workflow run's status to 'completed', distinguishing it from process street complete task which completes individual tasks.

Why this helps

Work gets done but doesn't get marked as complete in Process Street. You forget to go back and close out the workflow, leaving your project status unclear.

  • Complete workflows without leaving Slack
  • Intuitive signal (removing reaction = task done)
  • Reduce context-switching between tools
  • Keep Process Street status in sync with Slack reality

Setup

Build it in a few focused steps.

  • 1Connect Slack and Process Street to Notis.
  • 2Create an automation with the prompt: 'When I remove a reaction from a Slack message, find the matching workflow run in Process Street and mark it as complete.'
  • 3Choose 'Message Reaction Removed' as your trigger.
  • 4Tell Notis how to match the Slack message to a workflow (e.g., by message text, by thread, or by a workflow ID mentioned in the message).
  • 5Test by reacting and then un-reacting a message to confirm the workflow status updates in Process Street.

Questions about this workflow

What if there's no matching workflow run?

Notis will skip the completion and report that no workflow was found. You can refine the matching logic or use message-based workflows instead.

Can I use different reactions to mean different statuses (e.g., remove :hourglass: to complete, remove :question: to mark as blocked)?

Yes. You can set up multiple automations with different reactions, each triggering different Process Street actions (complete, update, etc.).

Does this work in threads or just top-level messages?

It works on any message. Notis will find the associated workflow based on your matching logic.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Slack to Process street. A trigger fires from one place; an action lands in another.

Slack triggers

Process street actions

New Channel Created Trigger

Triggered when a new channel is created in Slack.

TriggerInstant

Complete a workflow run

This tool marks an entire workflow run as completed in process street. it updates the workflow run's status to 'completed', distinguishing it from process street complete task which completes individual tasks.

ActionInstant

Channel Message Received

Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.

TriggerInstant

Create Workflow Run

This tool creates a new workflow run from a specified workflow template. it is one of the most fundamental operations in process street, allowing users to initiate a new instance of a workflow. the tool requires a workflow template id and optionally allows setting a custom name, due date, and whether to enable a share link.

ActionInstant

Direct Message Received

Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.

TriggerInstant

Find Data Set Rows

This tool allows you to search for records within a data set based on form fields. it's useful for retrieving specific records from a data set when you need to find matching entries based on certain criteria.

ActionInstant

Message Reaction Added

Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

List Workflows

This tool retrieves a list of all workflows available in the process street account. it is a fundamental action that allows users to view and access all their workflows, which is essential for other operations that require workflow ids. this action is important because it provides the foundation for other actions that require workflow ids as input parameters, such as creating workflow runs or managing workflow-specific tasks, thereby enabling better workflow management and automation.

ActionInstant

Message Reaction Removed

Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Undelete Workflow Run

This tool allows you to restore a previously deleted workflow run in process street. it uses the put /v1.1/workflow-runs/{workflowrunid}/undelete endpoint to recover a workflow run within a valid recovery period. it complements the existing process street delete workflow run action by providing a data recovery option to correct deletion mistakes.

ActionInstant

Reaction Added Trigger

DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.

TriggerInstant

Reaction Removed Trigger

DEPRECATED: use `SLACK_MESSAGE_REACTION_REMOVED` instead. Triggered when a reaction is removed from a message.

TriggerInstant

New Bot Message Received Trigger

DEPRECATED: use `SLACK_CHANNEL_MESSAGE_RECEIVED` with `is_bot_message=true` instead. Triggered when a new bot message is posted to a Slack channel.

TriggerInstant

Connect any two apps with Notis in the middle.

Not just Slack and Process street. Any combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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