# ToStringPrecisionOptions

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

Options for Temporal string precision.

```ds title="ToStringPrecisionOptions"
export type ToStringPrecisionOptions = { fractionalSecondDigits?: "auto" | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9; smallestUnit?: SmallestUnit<"minute" | "second" | "millisecond" | "microsecond" | "nanosecond">; roundingMode?: RoundingMode }
```

[language/library/src/time/option.ds:118:127](https://github.com/destack-sh/destack/blob/main/language/library/src/time/option.ds#L118-L127)