Auto-generate Gamma decks from an Airtable queue
Drop a row in your deck queue and Geni builds the slides in Gamma, writes the link back, and DMs the owner in Slack.
Airtable
Gamma
SlackMarketingOperationsContent GenerationNotifications & AlertsBuild a deterministic code workflow that turns an Airtable deck queue into finished Gamma presentations and notifies the owner in Slack. Every step is a known operation; no judgement is required.
Trigger: poll Airtable for new records on a table called "Deck Queue" (let the user pick the base and table at setup). Use the new_record event so each newly created row fires the workflow exactly once.
Assume the Deck Queue table has these fields: title (single line text), audience (single line text), outline (long text), theme_id (single line text, optional), owner_slack_user_id (single line text, Slack user ID like U0123ABC), deck_url (URL, written by the workflow), status (single select with values success and failed, written by the workflow), completed_at (date or datetime, written by the workflow), and error_message (long text, written by the workflow when something goes wrong).
Step 1: call Gamma's Generate a Gamma operation. Pass the row's outline as the input text, the title as the deck name, and the theme_id as the theme when it is set on the row. Use Gamma's built-in polling so the workflow waits for the finished deck URL before continuing. Treat any non-success response from Gamma as a failure (capture the error message for the next step).
Step 2: call Airtable Update Record against the same row that fired the trigger. On success, write the Gamma deck URL into deck_url, set status to success, set completed_at to the current timestamp, and clear error_message. On failure, leave deck_url empty, set status to failed, set completed_at to the current timestamp, and write the Gamma error message into error_message.
Step 3: call Slack's Send a Message operation, addressed directly to the owner_slack_user_id from the row so it lands as a DM. On success, the message should include the deck title and the finished deck URL. On failure, the message should say the deck failed for that title and include the error message so the owner can fix the outline and re-queue. Always send the DM, even on failure.
Make the flow safe to re-run: only process rows where status is empty (so manually re-queued rows can be cleared and picked up again). Keep the implementation tight; no extra steps, no AI nodes, no branching beyond success vs failure.
What does this prompt do?
- Watches an Airtable Deck Queue table for any new row
- Hands the outline and title to Gamma to build a finished presentation
- Writes the deck link, a success or failed status, and a completion timestamp back to the same row
- Sends the row owner a Slack DM with the link so they know it is ready
What do I need to use this?
- An Airtable base with a Deck Queue table that has a title, audience, outline, optional theme, and the owner's Slack user ID
- A Gamma account on a paid plan that supports deck generation
- A Slack workspace where the workflow can send direct messages
How can I customize it?
- Point it at a different table or rename the queue fields to match what your team already uses
- Lock every deck to a single Gamma theme, or let each row choose its own theme
- Send the finished deck to a shared Slack channel instead of a DM, or copy a second teammate
FAQs
Do I have to be online for it to run?
What happens if Gamma fails to build the deck?
Can I queue up many decks at once?
Will this work on a free Gamma plan?
Can I share the finished decks outside my company?
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Connect Airtable, Gamma, and Slack once, and Geni turns every new queue row into a finished deck.