[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › positiveDecimalString

```ts
const positiveDecimalString: BrandFactory<
  "PositiveDecimalString",
  DecimalString,
  PositiveDecimalStringError
>;
```

Defined in: [packages/common/src/Type.ts:7064](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Type.ts#L7064)

[DecimalString](https://evolu.dev/docs/api-reference/common/Type/variables/DecimalString) Brand requiring a value greater than zero.

### Example

```ts

const Positive = positiveDecimalString(DecimalString);

assertOk(Positive.fromUnknown("0.5"), "0.5");
```