---
title: event XPC Dictionary
framework: vmnet
role: collectionGroup
role_heading: API Collection
path: vmnet/event_xpc_dictionary
---

# event XPC Dictionary

XPC dictionary keys used by the event value returned to the client in the handler callback specified by the vmnet function that provides information about the callback event.

## Topics

### Constants

- [vmnet_estimated_packets_available_key](vmnet/vmnet_estimated_packets_available_key.md)

## See Also

### Constants

- [interface_desc XPC Dictionary Keys](vmnet/interface_desc_xpc_dictionary_keys.md)
- [interface_param XPC Dictionary Keys](vmnet/interface_param_xpc_dictionary_keys.md)