# `GSLayer decomposeComponentDontNotify:`

*Instance Method*

Decomposes one component without triggering layer updates.

## Declaration

```swift
func decomposeComponentDontNotify(_ aComponent: GSComponent)
```

```objc
- (void) decomposeComponentDontNotify:(GSComponent *) aComponent;
```

```python
decomposeComponentDontNotify_(aComponent: GSComponent)
```

## Discussion

Use this only inside code that handles the required updates itself.

## See Also

### Component Decomposition

- [`GSLayer copyDecomposedLayer`](/Core/GlyphsCore/GSLayer/copyDecomposedLayer) — A copy of the layer with components decomposed.
- [`GSLayer decomposeComponent:`](/Core/GlyphsCore/GSLayer/decomposeComponent:) — Decomposes one component.
- [`GSLayer decomposeComponentDontNotify:callback:`](/Core/GlyphsCore/GSLayer/decomposeComponentDontNotify:callback:) — Decomposes one component without triggering layer updates and invokes a callback for decomposed component layers.
- [`GSLayer decomposeComponents`](/Core/GlyphsCore/GSLayer/decomposeComponents) — Decomposes all components.
- [`GSLayer decomposeComponentsCallback:`](/Core/GlyphsCore/GSLayer/decomposeComponentsCallback:) — Decomposes all components and invokes a callback for decomposed component layers.
- [`GSLayer decomposeCorners`](/Core/GlyphsCore/GSLayer/decomposeCorners) — Decomposes corner components.
- [`GSLayer decomposeSmartOutlines`](/Core/GlyphsCore/GSLayer/decomposeSmartOutlines) — Decomposes smart outline components.