Skip to content

A flow or list filter's `eventTypeId` equals the custom event definition's `objectTypeId` (`6-<definition id>`); HubSpot's own events appear as `4-<n>`.

Measured

Checked

Checked October 21, 2026 on a HubSpot developer test account

Area

Tags

custom-events, eventtypeid, objecttypeid, join

More facts from this area

Custom behavioral events need an Enterprise subscription.Source pending
Dated (2026-09) custom event definition reads carry labels.singular and labels.plural, and no label.Source pending
A custom event's fully qualified name, used to send and read it, is pe<hubId>_<name>, so it differs per portal; its definition also gets an event type ID 6-<n>. Key definitions on name or objectTypeId.Documented and measured
Custom event property enumeration options are stored with their value exactly as sent.Source pending
A custom event defined on a custom object takes the object's short name as primaryObject. The object type ID (2-…), the portal-qualified p<hub>_<name> and the upper-cased name are rejected.Measured

Spriggit uses these facts when it plans changes. See something out of date? Email [email protected]