---
title: er_t
framework: Kernel
role: symbol
role_heading: Structure
platforms: [macOS 10.0+]
path: kernel/er_t
---

# er_t

## Declaration

```occ
typedef struct eventreq {
    ...
} er_t;
```

## Topics

### Instance Properties

- [er_data](kernel/er_t/1496218-er_data.md)
- [er_ecnt](kernel/er_t/1496230-er_ecnt.md)
- [er_eventbits](kernel/er_t/1496227-er_eventbits.md)
- [er_handle](kernel/er_t/1496194-er_handle.md)
- [er_rcnt](kernel/er_t/1496229-er_rcnt.md)
- [er_type](kernel/er_t/1496192-er_type.md)
- [er_wcnt](kernel/er_t/1496226-er_wcnt.md)