What It Does
Run JavaScript (Node.js) or Python inside a workflow step. Access event data, call external APIs, return outputs to downstream steps. Ops Hub Pro+ required.
Capabilities
Fetch HTTP, transform data, call HubSpot API, invoke external services. 20-second execution limit per run.
Secrets
Secrets managed at portal level, accessible via process.env. Don’t hardcode API keys. Rotate secrets periodically.
Outputs
Return values accessible to downstream steps via ‘Use value from previous action’. Type your outputs for reliable downstream usage.
Testing
Test mode lets you run with sample data before publishing. Log output for post-deploy debugging. Limits mean you can’t iterate live — test in test mode first.