# lowerCase

Source: https://taxilang.org/docs/language/stdlib/lowerCase

**Full name:** `taxi.stdlib.lowerCase`

## Signature

```taxi
declare extension function lowerCase(String):String
```

## Description

Converts all characters in the string to lower case.

```taxi
find { product: Product } as {
   lowerName: String = product.name.lowerCase()
}
```

## Examples

Converts a string to lower case.

Query:

```taxi
find {
   lower: String = lowerCase('HELLO WORLD')
}
```

Result:

```json
{
  "lower": "hello world"
}
```