Prevent Duplicate Slack Notifications from Google Forms
The article discusses how to prevent duplicate Slack notifications from Google Forms submissions. It emphasizes that the issue is often related to idempotency rather than formatting problems. Key solutions include checking for duplicate triggers, ensuring trigger setup is idempotent, and building a notification key for each submission.
- ▪Duplicate Slack notifications are usually caused by duplicate Apps Script triggers.
- ▪To prevent this, check the trigger list for multiple instances of the same handler.
- ▪Creating a stable notification key for each submission can help manage notifications effectively.
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| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/lovanaut55/prevent-duplicate-slack-notifications-from-google-forms-528 |
| Publication time | Wed, 20 May 2026 04:24:12 +0000 |
| Retrieval time | 2026-05-20T04:34:59.721Z |
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Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3841154) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Lovanaut Posted on May 20 Prevent Duplicate Slack Notifications from Google Forms #automation #google #javascript #tutorial A Google Forms to Slack notification script usually starts simple: Google Form -> Google Sheet -> Apps Script trigger -> Slack Incoming Webhook Enter fullscreen mode Exit fullscreen mode That is a good starting point. But the first time the same response appears in Slack twice, the problem usually gets misdiagnosed. People check the Slack message template.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).
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