event object for the post-user-registration Actions trigger provides contextual information about the trigger execution.
event.authentication
Details about supplemental authentication signals obtained during the registration flow.
event.connection
Details about the Connection that was used to register the user.
event.custom_domain
Details about the custom domain associated with the current transaction.
event.request
Details about the request that initiated the transaction.
event.security_context
An object containing fingerprint signatures. This will be available only if the client is using cloudflare. The JA3/JA4 fingerprint can be null or empty in some cases. The most common case is for HTTP requests because JA3 and JA4 are calculated in TLS. It can also be empty due to the Worker sending requests within the same zone or to a zone that is not proxied (or a third party).
event.tenant
Details about the Tenant associated with the current transaction.
event.transaction
Details about the current transaction.
event.user
An object describing the user on whose behalf the current transaction was initiated.
event.secrets
Secret values securely associated with this Action.