# issues

`import { issues } from "destack:schema";`

Return validation issues for `value`.

```ds title="issues"
export function issues<T>(schema: &'a readonly Schema<T>, value: unknown): [Issue]
```

[language/library/src/schema/schema.ds:233:235](https://github.com/destack-sh/destack/blob/main/language/library/src/schema/schema.ds#L233-L235)