---
title: transmitTimeSyncPacket
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioethernetcontroller/2934820-transmittimesyncpacket
---

# transmitTimeSyncPacket

## Declaration

```occ
virtual IOReturn transmitTimeSyncPacket(IOEthernetAVBPacket *packet, uint64_t expiryTime);
```