The Keyed Performed segment is like the Performed segment, but specialized to event entry journeys.

The keyed performed segment allows you to condition on whether users have performed a specific track event - immediately. This is in contrast to standard segments whose values are calculated with a delay.

This segment also differs from the standard performed segment, in that it is only calculated on a forward-looking basis, from the time the parent event entry journey was first triggered.

This is an advanced feature that should be used by experienced users.

Use cases include:

  • Waiting for a user to cancel an existing appointment in an event entry journey.
  • Checking if a delivery has been completed in an event entry journey.

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Keys

Keys are used to route the event used to resolve this user property to the correct event entry journey instance. If for example you receive an appointment update event, you can specify the appointmentId as the key to route this event to event entry journey instances keyed on that appointment id.

{
  "event": "APPOINTMENT_UPDATED",
  "type": "track",
  "properties": {
    "appointmentId": "123",
    "appointmentTime": "2024-01-01T12:00:00Z"
    ...
  },
  ...
}

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Implementation Details

This segment node is unique, in that it is not calculated asynchronously in ClickHouse. Instead, segment assignments are calculated synchronously in memory. This guarantees that the segment value will incorporate the triggering events’ when evaluating segment splits and wait-for nodes.

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Example Journey - Appointment Reminders

To see an example of how to set up an appointment reminder journey which makes use of the keyed performed segment, see the Appointment Reminders guide.

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