# TO_STRING

The TO_STRING function converts an input value into a string.

## Syntax

`TO_STRING(field)`

### Parameters

#### field

This is the input value. It can be a single or multi-valued column or an expression.

## Examples

Here is an example of how to use the TO_STRING function:

```esql
ROW a=10
| EVAL j = TO_STRING(a)
```

The TO_STRING function also works well on multi-valued fields:

```esql
ROW a=[10, 9, 8]
| EVAL j = TO_STRING(a)
```