---
title: cp_tracking_area_identifier_invalid
framework: compositorservices
role: symbol
role_heading: Global Variable
path: compositorservices/cp_tracking_area_identifier_invalid
---

# cp_tracking_area_identifier_invalid

Identifier reserved as invalid.

## Declaration

```occ
static const cp_tracking_area_identifier cp_tracking_area_identifier_invalid;
```

## Discussion

Discussion Should not be used as identifier for addTrackingArea(identifier:).