---
title: CGEventTapPlacement.headInsertEventTap
framework: coregraphics
role: symbol
role_heading: Case
path: coregraphics/cgeventtapplacement/headinserteventtap
---

# CGEventTapPlacement.headInsertEventTap

Specifies that a new event tap should be inserted before any pre-existing event taps at the same location.

## Declaration

```swift
case headInsertEventTap
```

## See Also

### Constants

- [CGEventTapPlacement.tailAppendEventTap](coregraphics/cgeventtapplacement/tailappendeventtap.md)