# `PolarExpress.Services.EventTypesService`
[🔗](https://github.com/jeffhuen/polar_express/blob/main/lib/polar_express/services/event_types_service.ex#L2)

Event-types

EventTypes API operations.

# `list_event_types`

```elixir
@spec list_event_types(PolarExpress.Client.t(), map(), keyword()) ::
  {:ok, PolarExpress.ListObject.t()} | {:error, PolarExpress.Error.t()}
```

List Event Types

List event types with aggregated statistics.

**Scopes**: `events:read` `events:write`

See `PolarExpress.Params.EventTypesListEventTypesParams` for parameter details.

# `update_event_type`

```elixir
@spec update_event_type(PolarExpress.Client.t(), String.t(), map(), keyword()) ::
  {:ok, PolarExpress.Schemas.EventType.t()} | {:error, PolarExpress.Error.t()}
```

Update Event Type

Update an event type's label.

See `PolarExpress.Params.EventTypesUpdateEventTypeParams` for parameter details.

---

*Consult [api-reference.md](api-reference.md) for complete listing*