# CONCAT

Concatenates two or more strings.

## Syntax

`CONCAT(string1, string2)`

### Parameters

#### `string1`

The first string to concatenate.

#### `string2`

The second string to concatenate.

## Examples

```esql
FROM address
| KEEP street_1, street_2
| EVAL fullstreet = CONCAT(street_1, street_2)
```

CONCAT supports any number of string parameters. The following example concatenates the `first_name` and `last_name` fields with a space in between:

```esql
FROM employees
| KEEP first_name, last_name
| EVAL fullname = CONCAT(first_name, " ", last_name)
```
