# LifecycleCrash

`import { LifecycleCrash } from "destack:simulation/fault";`

Lifecycle crash fault.

```ds title="LifecycleCrash"
export struct LifecycleCrash {
    kind: "lifecycle.crash";
    signal: int64;
}
```

[language/library/src/simulation/fault/fault.ds:466:471](https://github.com/destack-sh/destack/blob/main/language/library/src/simulation/fault/fault.ds#L466-L471)

## Members

### `kind: "lifecycle.crash"`

Fault discriminator.

### `signal: int64`

Optional signal number.