---
title: getDescent
framework: coretext
role: symbol
role_heading: Instance Property
path: coretext/ctrundelegatecallbacks/getdescent
---

# getDescent

The callback invoked to request the run delegate to determine and return the typographic descent of glyphs in the run. This callback may be NULL, which is equivalent to a getDescent callback that always returns 0.

## Declaration

```swift
var getDescent: CTRunDelegateGetDescentCallback
```

## See Also

### Instance Properties

- [dealloc](coretext/ctrundelegatecallbacks/dealloc.md)
- [getAscent](coretext/ctrundelegatecallbacks/getascent.md)
- [getWidth](coretext/ctrundelegatecallbacks/getwidth.md)
- [version](coretext/ctrundelegatecallbacks/version.md)