---
title: smrn_cb
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 14.0+]
path: kernel/smr_node_t/4168413-smrn_cb
---

# smrn_cb

## Declaration

```occ
__ptrauth(0,1,40822) smr_cb_t smrn_cb;
```