# CONCAT

The CONCAT function combines two or more strings into one.

## Syntax

`CONCAT(string1, string2, [...stringN])`

### Parameters

#### string1

The first string to concatenate.

#### string2

The second string to concatenate.

## Examples

The following example concatenates the `street_1` and `street_2` fields:

```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)
```
