> For the complete documentation index, see [llms.txt](https://docs.angular-package.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.angular-package.dev/sass/map/map.deep-merge.md).

# map.deep-merge()

The modified `map.deep-merge()` function merges multiple maps by using sass original `deep-merge()`.

{% hint style="info" %}
The function modify original `map.deep-merge()` by adding arbitrary [`$maps...`](#usdmaps...) argument, to deep merge multiple maps.
{% endhint %}

{% code lineNumbers="true" %}

```scss
// Sass.
@use 'sass:map';

// The `map.deep-merge()` function.
@function deep-merge($map1, $map2, $maps...) {
  $map1: map.deep-merge($map1, $map2);
  @each $map in $maps {
    $map1: map.deep-merge($map1, $map);
  }
  @return $map1;
}
```

{% endcode %}

{% embed url="<https://github.com/angular-package/sass/blob/main/map/_map.deep-merge.function.scss>" %}

### Parameters

#### `$map1`

A map to deep merge with [`$map2`](#usdmap2).

#### `$map2`

A map to deep merge with [`$map1`](#usdmap1).

#### `$maps...`

Multiple maps to deep merge with the merged [`$map1`](#usdmap1) and [`$map2`](#usdmap2).

### Return

The return value is the map built from [`$map1`](#usdmap1), [`$map2`](#usdmap2) and [`$maps`](#usdmaps...).

## Examples

```scss
// Use.
@use '@angular-package/sass/map';

// Examples.
@debug map.deep-merge((prefix: spectre), (suffix: end), (affix: name)); // (prefix: spectre, suffix: end, affix: name)

```


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