Check social image descriptions in the planning thread
Search the library for the creative the team is discussing and see whether its alt text is already available.
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
Search Images
Tool to search for images and their alt text. use after specifying search keywords to retrieve matching images.
Why this helps
Social publishing moves quickly, leaving image accessibility checks to the last minute.
- Brings an image lookup into the social planning conversation.
- Shows existing descriptions before the scheduling step.
- Supports a repeatable accessibility check for creative assets.
Setup
Build it in a few focused steps.
- 1Connect Slack and Alttext ai to Notis once through the portal.
- 2Create the automation in the portal or by asking Notis to create it conversationally.
- 3Describe in one instruction that a channel message discussing a social creative to review should trigger a search for its image and current alt text.
- 4Choose Slack Channel Message Received and select where run reports go.
- 5Test with a real social creative discussion.
Questions about this workflow
Can it tell whether the image is ready to schedule?
It can report matching records and existing alt text; the team decides whether the creative is ready.
Can the message include campaign context?
Yes. Add campaign or post details to help identify the image.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Alttext ai. A trigger fires from one place; an action lands in another.
Slack triggers
Alttext ai actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Get Account
Tool to retrieve account settings and usage information. use when you need to check your alttext.ai account configuration and usage limits before generating alt text.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Account
Tool to retrieve account settings and usage information. use when you need to check your alttext.ai account configuration and usage limits before generating alt text.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Get Images
Tool to retrieve a paginated list of images in your library, including their alt text and metadata. use when you need to browse or filter images programmatically after authentication.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Search Images
Tool to search for images and their alt text. use after specifying search keywords to retrieve matching images.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Update Account
Tool to update account settings (e.g., webhook url, name). use after confirming current account details to modify settings.
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 Alttext ai, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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