---
title: typeRangeDescriptor
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/typerangedescriptor
---

# typeRangeDescriptor

## Declaration

```swift
var typeRangeDescriptor: DescType { get }
```

## Discussion

Discussion Specifies a range descriptor that identifies two Apple event objects marking the beginning and end of a range of elements. The data for a range descriptor consists of two keyword-specified descriptors with the keywords keyAERangeStart and keyAERangeStop, respectively, which specify the first Apple event object in the desired range and the last Apple event object in the desired range.