# `Plushie.Event.Diagnostic.DuplicateId`
[🔗](https://github.com/plushie-ui/plushie-elixir/blob/v0.7.2/lib/plushie/event/diagnostic/variants.ex#L20)

A widget ID collided with one already declared within the same window scope.

# `t`

```elixir
@type t() :: %Plushie.Event.Diagnostic.DuplicateId{
  id: String.t(),
  window_id: String.t() | nil
}
```

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