# concat

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

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

## Signature

```taxi
declare function concat(Any...):String
```

## Description

Joins all provided values into a single string, in the order they are passed. Null values are omitted.

```taxi
find { person: Person } as {
   fullName: String = concat(person.firstName, ' ', person.lastName)
}
```

## Examples

Concatenates multiple string values into a single string.

Query:

```taxi
find {
   greeting: String = concat('Hello', ', ', 'World')
}
```

Result:

```json
{
  "greeting": "Hello, World"
}
```