# DurationOptions

`import { DurationOptions } from "destack:time";`

Options for assigning duration fields.

```ds title="DurationOptions"
export type DurationOptions = { overflow?: "constrain" | "balance" }
```

[language/library/src/time/option.ds:12:15](https://github.com/destack-sh/destack/blob/main/language/library/src/time/option.ds#L12-L15)