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StartupBuilderby Startups.Studio
Business
Changelog
Events

Registration.attended

Emitted each time a Registration is attended.

Registration.attend emits Registration.attended when it completes on a Registration.

PropertyValue
Emitted byRegistration.attend
NounRegistration
MovesRegistration registered to attended
WakesNone.

Payload

Each delivery is an Event record. data holds what Registration.attend returns, and previous holds the state it left.

FieldTypeRequiredDescription
namestringrequiredRegistration.attended.
atdatetimerequiredWhen it happened.
seqintegerIts position in the namespace, one more than the Event before; any seq is a cursor into the history.
datajsonrequiredThe Thing as the Action left it.
data.registrationRegistrationrequiredThe Registration, now attended.
data.registration.statusstringrequiredOne of invited, requested, waitlisted, registered, attended, or noShow.
data.registration.registeredAtdatetimeWhen the place was confirmed.
data.previous.statusstringrequiredThe status before this Event: registered.

Example

JSON
{
  "$id": "https://api.sb/patentpad.com/events/event_1",
  "$type": "Event",
  "name": "Registration.attended",
  "at": "2026-10-22T12:00:00Z",
  "data": {
    "registration": {
      "$id": "https://api.sb/patentpad.com/registrations/registration_1",
      "$type": "Registration",
      "status": "attended",
      "registeredAt": "2026-10-22T12:00:00Z"
    },
    "previous": {
      "status": "registered"
    }
  },
  "seq": 1
}