In Autumn, there are 2 types of features you can create: boolean and metered. When defining a boolean or metered feature, the id you enter is what you’ll use to check whether a customer has access later on.

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Configuring a metered feature

For metered features, you need to pass in:

  1. One or more event names
  2. An aggregation (either COUNT or SUM)

When calculating the usage of a metered feature, Autumn will first filter all events by event_name, and then either COUNT or SUM over them.

  • COUNT: This aggregation simply takes the count of events
  • SUM: This aggregation will sum based on a property you specify as shown below. This property should be passed in the properties field when sending an event.

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Example of sending event with property

In the example below, if there is a metered event minutes which sums over the property length, then the following event will increment the metered feature by 2.

await fetch('https://api.useautumn.com/v1/events', {
  method: "POST",
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    "customer_id": "cus_123",
    "event_name": "minutes",
    "properties": {
      "length": 2
    }
  })
})
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