# ListenSessionCreatedDto

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

The result of opening a session. The only place the signing secret is ever returned.

## Fields
- `id` (string(uuid)): The session id, used on the poll, sample and end routes.
- `signingSecret` (string): The signing secret, shown exactly once. (nullable)
- `merchantId` (string(uuid)): The merchant the session is scoped to.
- `eventTypes` (array<string>): The resolved event types the session stages. (nullable)
- `expiresAtUtc` (string(date-time)): When the session expires unless polling renews it.
- `ttlMinutes` (integer(int32)): The clamped session lifetime, in minutes, that each poll renews by.

## See also

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