Impression handler

CloudBees Feature Management (legacy)

This is Rollout-legacy documentation.

For Rollout customers: This (Rollout) documentation remains available through your end-of-service date.

CloudBees Feature Management is now part of CloudBees Unify. Refer to CloudBees Unify Feature management documentation.

Impression handler is the function that is called when a flag is being evaluated. This function can be used to report the flag state to your analytics provider or for impression reporting.