# `GSGlyph isIcon`

*Instance Method*

Whether icon-specific metrics and drawing behavior apply to the glyph.

## Declaration

```swift
func isIcon() -> Bool
```

```objc
- (BOOL) isIcon;
```

```python
isIcon() -> bool
```

## Discussion

Glyphs in an icon font qualify unless their category is SF Symbol. Glyphs in other fonts qualify when their category is Icon.

## See Also

### Special Glyph Types

- [`GSGlyph isCornerName:`](/Core/GlyphsCore/GSGlyph/isCornerName:) — Whether a glyph name uses a recognized corner-glyph prefix.
- [`GSGlyph isCornerGlyph`](/Core/GlyphsCore/GSGlyph/isCornerGlyph) — Whether the glyph name identifies a corner glyph.
- [`GSGlyph isSmartGlyph`](/Core/GlyphsCore/GSGlyph/isSmartGlyph) — Whether the glyph uses Smart Component behavior.
- [`GSGlyph isSFSymbol`](/Core/GlyphsCore/GSGlyph/isSFSymbol) — Whether the glyph category is SF Symbol.