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Triggers

• Label
• Description
• Type: Webhook or Polling

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Trigger editors

• Parameters
• Subscribe (JS)
• Unsubscribe (JS)
• Handler (JS)
• Poller
• Sample Outputs (json)

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Webhook trigger pattern

• Subscribe (JS): register remote webhook
• Unsubscribe (JS): clean up registration
• Handler (JS): normalize incoming payload before output

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Polling trigger pattern

const category = parameters.category || 'all';
const key = `latestMarketId_${category}`;

// Example: fetch latest items from API
const res = await fetch('https://example.com/markets');
const markets = await res.json();
if (!markets?.length) return false;

const latest = String(markets[0].id);
const previous = await getValue(key);
await setValue(key, latest);

if (latest !== previous && previous) {
  return markets[0];
}

return false;

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Validate in Preview

• Use Listen for webhook testing
• Provide parameter values (for example category)
• Check Outputs and Logs before publishing