# DurationTotalOf

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

Options for `Duration.total`.

```ds title="DurationTotalOf"
export type DurationTotalOf = TotalUnit<DateTimeUnit> | { unit: TotalUnit<DateTimeUnit>; relativeTo?: ZonedDateTime | PlainDateTime | ZonedDateTimeLike | PlainDateTimeLike | string }
```

[language/library/src/time/option.ds:102:115](https://github.com/destack-sh/destack/blob/main/language/library/src/time/option.ds#L102-L115)