# uuid {#uuid}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`uuid(X)`

## Arguments {#arguments}

**X** is a STRING scalar/vector.

## Details {#details}

Convert STRING into UUID data type.

## Examples {#examples}

```
uuid("");
// output: 00000000-0000-0000-0000-000000000000

a=uuid("9d457e79-1bed-d6c2-3612-b0d31c1881f6");
a;
// output: 9d457e79-1bed-d6c2-3612-b0d31c1881f6

typestr(a);
// output: UUID
```

