Recheck image text when review resumes
If a review marker is removed from an image post, get its text extracted again so the team can pick the discussion back up.
Trigger
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Action
ASTICA_READ_TEXT
Tool to perform ocr on an image to extract text. use when you need to read raw text from images after confirming the image source.
Why this helps
A paused image review can be difficult to resume when the key text is still embedded in the image.
- Make the image's text available when review resumes.
- Reduce the effort of reconstructing what the post shows.
- Keep renewed attention tied to the original message.
Setup
Build it in a few focused steps.
- 1Connect Slack and Astica ai to Notis once through the portal.
- 2Create an automation using Automations or a plain-language request to Notis.
- 3In one instruction, ask Notis to OCR the image on a Slack message when the chosen review reaction is removed and report text with context.
- 4Choose Slack Message Reaction Removed and select where run reports appear.
- 5Test by removing the selected reaction from a real image post.
Questions about this workflow
Why use reaction removal as a trigger?
It can signal that a marked image is ready for renewed attention. Use a reaction whose meaning is clear to your team.
Does the workflow know why the reaction was removed?
No. It responds to the event and follows the plain-language instruction.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Astica ai. A trigger fires from one place; an action lands in another.
Slack triggers
Astica ai actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Analyze Audio
Tool to analyze audio input for transcription. use when you need to convert an audio url or base64 string to text.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
ASTICA_READ_TEXT
Tool to perform ocr on an image to extract text. use when you need to read raw text from images after confirming the image source.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
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 Astica ai, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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