## storage Type

`string`

## storage Constraints

**pattern**: the string must match the following regular expression: 

```regexp
^[0-9]+(B|K|M|G|T)$
```

[try pattern](https://regexr.com/?expression=%5E%5B0-9%5D%2B\(B%7CK%7CM%7CG%7CT\)%24 "try regular expression with regexr.com")
