# `GSFont objectInNumbersAtIndex:`

*Instance Method*

Returns the number definition at an index.

## Declaration

```swift
func number(at idx: UInt) -> GSMetric?
```

```objc
- (GSMetric *) objectInNumbersAtIndex:(NSUInteger) idx;
```

```python
objectInNumbersAtIndex_(idx: int) -> GSMetric
```

## See Also

### Numbers

- [`GSFont.numbers`](/Core/GlyphsCore/GSFont/numbers) — Font-wide number definitions.
- [`GSFont countOfNumbers`](/Core/GlyphsCore/GSFont/countOfNumbers) — Returns the number of number definitions.
- [`GSFont numberForId:`](/Core/GlyphsCore/GSFont/numberForId:) — Returns the first number definition with an identifier.
- [`GSFont numberForName:`](/Core/GlyphsCore/GSFont/numberForName:) — Returns the first number definition with a name.
- [`GSFont addNumber:`](/Core/GlyphsCore/GSFont/addNumber:) — Adds a number definition to the font.
- [`GSFont removeObjectFromNumbers:`](/Core/GlyphsCore/GSFont/removeObjectFromNumbers:) — Removes a number definition from the font.