# `GSComponent updateComponentGlyphFast`

*Instance Method*

Resolves the base glyph without undo or change notifications.

## Declaration

```swift
func updateGlyphFast()
```

```objc
- (void) updateComponentGlyphFast;
```

```python
updateComponentGlyphFast()
```

## Discussion

The component must belong to a layer in a font. The caller is responsible for any required updates.

## See Also

### Base Glyph

- [`GSComponent.componentName`](/Core/GlyphsCore/GSComponent/componentName) — The name of the referenced base glyph.
- [`GSComponent.component`](/Core/GlyphsCore/GSComponent/component) — The base glyph resolved from [`GSComponent.componentName`](/Core/GlyphsCore/GSComponent/componentName) in the font of the containing layer.
- [`GSComponent updateComponentGlyph`](/Core/GlyphsCore/GSComponent/updateComponentGlyph) — Resolves the base glyph and updates the reference when the glyph was renamed.
- [`GSComponent updateComponentGlyphDontNotify`](/Core/GlyphsCore/GSComponent/updateComponentGlyphDontNotify) — Resolves the base glyph without registering a change to the component.