# `PolarExpress.Schemas.SeatTierType`
[🔗](https://github.com/jeffhuen/polar_express/blob/main/lib/polar_express/schemas/seat_tier_type.ex#L2)

SeatTierType enum. Possible values: `volume`, `graduated`.

# `t`

```elixir
@type t() :: String.t()
```

# `schema_name`

# `values`

List of valid enum values.

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