# \_.flatConcat

## \_.flatConcat(position, item, array)

> **Parameters:**

* **position \[number]:**  <mark style="color:yellow;">`the position where the item will be added`</mark>
* **item \[any] :** <mark style="color:yellow;">`the item to be added`</mark>
* **array \[array]:** <mark style="color:yellow;">`the array with the elements`</mark>

> **Example**:

```javascript
_.flatConcat([1,2,4,5], 2, 3)
// => [1,2,3,4,5]
```