Karthik Kalyan(@karthikkalyan90):@workflowsdk's Hook primitive lets external events control a running workflow. Let's take the email drip sequence example - welcome email, then nudges at day 2 and day 4. But what if the user completes the action before the nudges fire? You don't want to keep nagging them. The pattern you can use to solve this: Define a hook, then race it against each sleep. If the hook fires first, skip the remaining nudges. Any service in your app can resume the hook - it just needs the user's email as the token.

Karthik Kalyan

@karthikkalyan90

Building @workflowsdk @vercel ▲ • prev cofounder @langtrace_ai • ex @coinbase

加入 September 2009

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Karthik Kalyan@karthikkalyan90

2026.04.20 18:59

@workflowsdk's Hook primitive lets external events control a running workflow. Let's take the email drip sequence example - welcome email, then nudges at day 2 and day 4. But what if the user completes the action before the nudges fire? You don't want to keep nagging them. The pattern you can use to solve this: Define a hook, then race it against each sleep. If the hook fires first, skip the remaining nudges. Any service in your app can resume the hook - it just needs the user's email as the token.

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