# TO_LOWER

The TO_LOWER function converts the input string to lowercase.

## Syntax

`TO_LOWER(str)`

### Parameters

#### str

The string expression that you want to convert to lowercase.

## Examples

```esql
ROW message = "Some Text"
| EVAL message_lower = TO_LOWER(message)
```

```esql
FROM employees
| KEEP first_name, last_name
| EVAL first_name_lower = TO_LOWER(first_name)
| EVAL last_name_lower = TO_LOWER(last_name)
```
