# GetNotificationDeliveryOutcomeSummaryInput

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

The window and narrowing a caller asked the delivery outcome summary for.

## Fields
- `fromUtc` (string(date-time)) required: Start of the window, inclusive, in UTC.
- `toUtc` (string(date-time)) required: End of the window, exclusive, in UTC.
- `merchantId` (string(uuid)): Count only this merchant's deliveries, or every merchant the caller's operating context  already reaches when omitted. (nullable)
- `eventType` (string): Count only this exact event type, or every type when omitted. (nullable, max length 512)

## See also

- [All documentation](https://devportal.demo.winkpg.io/llms.txt): the machine-readable index of every public page on this site.