# `Ash.Reactor.Dsl.Change`
[🔗](https://github.com/ash-project/ash/blob/v3.23.1/lib/ash/reactor/dsl/change.ex#L5)

The `change` entity for the `Ash.Reactor` reactor extension.

# `t`

```elixir
@type t() :: %Ash.Reactor.Dsl.Change{
  __identifier__: any(),
  __spark_metadata__: Spark.Dsl.Entity.spark_meta(),
  action_step?: false,
  arguments: [Reactor.Dsl.Argument.t()],
  async?: boolean(),
  change: Ash.Resource.Change.t() | Ash.Resource.Change.ref(),
  description: nil | String.t(),
  fail_if_invalid?: boolean(),
  initial: nil | Reactor.Template.t(),
  name: atom(),
  only_when_valid?: term(),
  type: :change,
  where: [Ash.Resource.Validation.ref()]
}
```

---

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